2888891240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2329751}}^1$

素因数の和:2329793

約数の個数: 32

約数和(自身を含む): 6709685760

約数和(自身を除く): 3820794520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 2329751, 4659502, 9319004, 11648755, 18638008, 23297510, 46595020, 72222281, 93190040, 144444562, 288889124, 361111405, 577778248, 722222810, 1444445620, 2888891240]

約数ペア:

[(1, 2888891240), (2, 1444445620), (4, 722222810), (5, 577778248), (8, 361111405), (10, 288889124), (20, 144444562), (31, 93190040), (40, 72222281), (62, 46595020), (124, 23297510), (155, 18638008), (248, 11648755), (310, 9319004), (620, 4659502), (1240, 2329751)]