77951920

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8623}}^1$

素因数の和:8749

約数の個数: 40

約数和(自身を含む): 182863296

約数和(自身を除く): 104911376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 8623, 9040, 17246, 34492, 43115, 68984, 86230, 137968, 172460, 344920, 689840, 974399, 1948798, 3897596, 4871995, 7795192, 9743990, 15590384, 19487980, 38975960, 77951920]

約数ペア:

[(1, 77951920), (2, 38975960), (4, 19487980), (5, 15590384), (8, 9743990), (10, 7795192), (16, 4871995), (20, 3897596), (40, 1948798), (80, 974399), (113, 689840), (226, 344920), (452, 172460), (565, 137968), (904, 86230), (1130, 68984), (1808, 43115), (2260, 34492), (4520, 17246), (8623, 9040)]