17991993920

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{22481}}^1$

素因数の和:22600

約数の個数: 112

約数和(自身を含む): 44609863536

約数和(自身を除く): 26617869616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 61, 64, 80, 82, 122, 160, 164, 205, 244, 305, 320, 328, 410, 488, 610, 656, 820, 976, 1220, 1312, 1640, 1952, 2440, 2501, 2624, 3280, 3904, 4880, 5002, 6560, 9760, 10004, 12505, 13120, 19520, 20008, 22481, 25010, 40016, 44962, 50020, 80032, 89924, 100040, 112405, 160064, 179848, 200080, 224810, 359696, 400160, 449620, 719392, 800320, 899240, 921721, 1371341, 1438784, 1798480, 1843442, 2742682, 3596960, 3686884, 4608605, 5485364, 6856705, 7193920, 7373768, 9217210, 10970728, 13713410, 14747536, 18434420, 21941456, 27426820, 29495072, 36868840, 43882912, 54853640, 56224981, 58990144, 73737680, 87765824, 109707280, 112449962, 147475360, 219414560, 224899924, 281124905, 294950720, 438829120, 449799848, 562249810, 899599696, 1124499620, 1799199392, 2248999240, 3598398784, 4497998480, 8995996960, 17991993920]

約数ペア:

[(1, 17991993920), (2, 8995996960), (4, 4497998480), (5, 3598398784), (8, 2248999240), (10, 1799199392), (16, 1124499620), (20, 899599696), (32, 562249810), (40, 449799848), (41, 438829120), (61, 294950720), (64, 281124905), (80, 224899924), (82, 219414560), (122, 147475360), (160, 112449962), (164, 109707280), (205, 87765824), (244, 73737680), (305, 58990144), (320, 56224981), (328, 54853640), (410, 43882912), (488, 36868840), (610, 29495072), (656, 27426820), (820, 21941456), (976, 18434420), (1220, 14747536), (1312, 13713410), (1640, 10970728), (1952, 9217210), (2440, 7373768), (2501, 7193920), (2624, 6856705), (3280, 5485364), (3904, 4608605), (4880, 3686884), (5002, 3596960), (6560, 2742682), (9760, 1843442), (10004, 1798480), (12505, 1438784), (13120, 1371341), (19520, 921721), (20008, 899240), (22481, 800320), (25010, 719392), (40016, 449620), (44962, 400160), (50020, 359696), (80032, 224810), (89924, 200080), (100040, 179848), (112405, 160064)]