28305165160

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1\times {\mathrm{811}}^1$

素因数の和:1139

約数の個数: 128

約数和(自身を含む): 66014040960

約数和(自身を除く): 37708875800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 101, 106, 163, 202, 212, 265, 326, 404, 424, 505, 530, 652, 808, 811, 815, 1010, 1060, 1304, 1622, 1630, 2020, 2120, 3244, 3260, 4040, 4055, 5353, 6488, 6520, 8110, 8639, 10706, 16220, 16463, 17278, 21412, 26765, 32440, 32926, 34556, 42824, 42983, 43195, 53530, 65852, 69112, 81911, 82315, 85966, 86390, 107060, 131704, 132193, 163822, 164630, 171932, 172780, 214120, 214915, 264386, 327644, 329260, 343864, 345560, 409555, 429830, 528772, 655288, 658520, 660965, 819110, 859660, 872539, 1057544, 1321930, 1638220, 1719320, 1745078, 2643860, 3276440, 3490156, 4341283, 4362695, 5287720, 6980312, 7006229, 8682566, 8725390, 13351493, 14012458, 17365132, 17450780, 21706415, 26702986, 28024916, 34730264, 34901560, 35031145, 43412830, 53405972, 56049832, 66757465, 70062290, 86825660, 106811944, 133514930, 140124580, 173651320, 267029860, 280249160, 534059720, 707629129, 1415258258, 2830516516, 3538145645, 5661033032, 7076291290, 14152582580, 28305165160]

約数ペア:

[(1, 28305165160), (2, 14152582580), (4, 7076291290), (5, 5661033032), (8, 3538145645), (10, 2830516516), (20, 1415258258), (40, 707629129), (53, 534059720), (101, 280249160), (106, 267029860), (163, 173651320), (202, 140124580), (212, 133514930), (265, 106811944), (326, 86825660), (404, 70062290), (424, 66757465), (505, 56049832), (530, 53405972), (652, 43412830), (808, 35031145), (811, 34901560), (815, 34730264), (1010, 28024916), (1060, 26702986), (1304, 21706415), (1622, 17450780), (1630, 17365132), (2020, 14012458), (2120, 13351493), (3244, 8725390), (3260, 8682566), (4040, 7006229), (4055, 6980312), (5353, 5287720), (6488, 4362695), (6520, 4341283), (8110, 3490156), (8639, 3276440), (10706, 2643860), (16220, 1745078), (16463, 1719320), (17278, 1638220), (21412, 1321930), (26765, 1057544), (32440, 872539), (32926, 859660), (34556, 819110), (42824, 660965), (42983, 658520), (43195, 655288), (53530, 528772), (65852, 429830), (69112, 409555), (81911, 345560), (82315, 343864), (85966, 329260), (86390, 327644), (107060, 264386), (131704, 214915), (132193, 214120), (163822, 172780), (164630, 171932)]