2878268840

素因数分解:

$2^3\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{58549}}^1$

素因数の和:59789

約数の個数: 32

約数和(自身を含む): 6481485000

約数和(自身を除く): 3603216160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1229, 2458, 4916, 6145, 9832, 12290, 24580, 49160, 58549, 117098, 234196, 292745, 468392, 585490, 1170980, 2341960, 71956721, 143913442, 287826884, 359783605, 575653768, 719567210, 1439134420, 2878268840]

約数ペア:

[(1, 2878268840), (2, 1439134420), (4, 719567210), (5, 575653768), (8, 359783605), (10, 287826884), (20, 143913442), (40, 71956721), (1229, 2341960), (2458, 1170980), (4916, 585490), (6145, 468392), (9832, 292745), (12290, 234196), (24580, 117098), (49160, 58549)]