1640896270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{25603}}^1$

素因数の和:25669

約数の個数: 64

約数和(自身を含む): 3484192320

約数和(自身を除く): 1843296050

約数列:

[1, 2, 5, 10, 13, 17, 26, 29, 34, 58, 65, 85, 130, 145, 170, 221, 290, 377, 442, 493, 754, 986, 1105, 1885, 2210, 2465, 3770, 4930, 6409, 12818, 25603, 32045, 51206, 64090, 128015, 256030, 332839, 435251, 665678, 742487, 870502, 1484974, 1664195, 2176255, 3328390, 3712435, 4352510, 5658263, 7424870, 9652331, 11316526, 12622279, 19304662, 25244558, 28291315, 48261655, 56582630, 63111395, 96523310, 126222790, 164089627, 328179254, 820448135, 1640896270]

約数ペア:

[(1, 1640896270), (2, 820448135), (5, 328179254), (10, 164089627), (13, 126222790), (17, 96523310), (26, 63111395), (29, 56582630), (34, 48261655), (58, 28291315), (65, 25244558), (85, 19304662), (130, 12622279), (145, 11316526), (170, 9652331), (221, 7424870), (290, 5658263), (377, 4352510), (442, 3712435), (493, 3328390), (754, 2176255), (986, 1664195), (1105, 1484974), (1885, 870502), (2210, 742487), (2465, 665678), (3770, 435251), (4930, 332839), (6409, 256030), (12818, 128015), (25603, 64090), (32045, 51206)]