20815664080

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{59419}}^1$

素因数の和:59612

約数の個数: 80

約数和(自身を含む): 50397667200

約数和(自身を除く): 29582003120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 151, 232, 290, 302, 464, 580, 604, 755, 1160, 1208, 1510, 2320, 2416, 3020, 4379, 6040, 8758, 12080, 17516, 21895, 35032, 43790, 59419, 70064, 87580, 118838, 175160, 237676, 297095, 350320, 475352, 594190, 950704, 1188380, 1723151, 2376760, 3446302, 4753520, 6892604, 8615755, 8972269, 13785208, 17231510, 17944538, 27570416, 34463020, 35889076, 44861345, 68926040, 71778152, 89722690, 137852080, 143556304, 179445380, 260195801, 358890760, 520391602, 717781520, 1040783204, 1300979005, 2081566408, 2601958010, 4163132816, 5203916020, 10407832040, 20815664080]

約数ペア:

[(1, 20815664080), (2, 10407832040), (4, 5203916020), (5, 4163132816), (8, 2601958010), (10, 2081566408), (16, 1300979005), (20, 1040783204), (29, 717781520), (40, 520391602), (58, 358890760), (80, 260195801), (116, 179445380), (145, 143556304), (151, 137852080), (232, 89722690), (290, 71778152), (302, 68926040), (464, 44861345), (580, 35889076), (604, 34463020), (755, 27570416), (1160, 17944538), (1208, 17231510), (1510, 13785208), (2320, 8972269), (2416, 8615755), (3020, 6892604), (4379, 4753520), (6040, 3446302), (8758, 2376760), (12080, 1723151), (17516, 1188380), (21895, 950704), (35032, 594190), (43790, 475352), (59419, 350320), (70064, 297095), (87580, 237676), (118838, 175160)]