45129020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 97868736

約数和(自身を除く): 52739716

約数列:

[1, 2, 4, 5, 10, 20, 61, 71, 122, 142, 244, 284, 305, 355, 521, 610, 710, 1042, 1220, 1420, 2084, 2605, 4331, 5210, 8662, 10420, 17324, 21655, 31781, 36991, 43310, 63562, 73982, 86620, 127124, 147964, 158905, 184955, 317810, 369910, 635620, 739820, 2256451, 4512902, 9025804, 11282255, 22564510, 45129020]

約数ペア:

[(1, 45129020), (2, 22564510), (4, 11282255), (5, 9025804), (10, 4512902), (20, 2256451), (61, 739820), (71, 635620), (122, 369910), (142, 317810), (244, 184955), (284, 158905), (305, 147964), (355, 127124), (521, 86620), (610, 73982), (710, 63562), (1042, 43310), (1220, 36991), (1420, 31781), (2084, 21655), (2605, 17324), (4331, 10420), (5210, 8662)]