88652020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 190512000

約数和(自身を除く): 101859980

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 149, 284, 298, 355, 419, 596, 710, 745, 838, 1420, 1490, 1676, 2095, 2980, 4190, 8380, 10579, 21158, 29749, 42316, 52895, 59498, 62431, 105790, 118996, 124862, 148745, 211580, 249724, 297490, 312155, 594980, 624310, 1248620, 4432601, 8865202, 17730404, 22163005, 44326010, 88652020]

約数ペア:

[(1, 88652020), (2, 44326010), (4, 22163005), (5, 17730404), (10, 8865202), (20, 4432601), (71, 1248620), (142, 624310), (149, 594980), (284, 312155), (298, 297490), (355, 249724), (419, 211580), (596, 148745), (710, 124862), (745, 118996), (838, 105790), (1420, 62431), (1490, 59498), (1676, 52895), (2095, 42316), (2980, 29749), (4190, 21158), (8380, 10579)]