77115920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{137707}}^1$

素因数の和:137727

約数の個数: 40

約数和(自身を含む): 204909504

約数和(自身を除く): 127793584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 137707, 275414, 550828, 688535, 963949, 1101656, 1377070, 1927898, 2203312, 2754140, 3855796, 4819745, 5508280, 7711592, 9639490, 11016560, 15423184, 19278980, 38557960, 77115920]

約数ペア:

[(1, 77115920), (2, 38557960), (4, 19278980), (5, 15423184), (7, 11016560), (8, 9639490), (10, 7711592), (14, 5508280), (16, 4819745), (20, 3855796), (28, 2754140), (35, 2203312), (40, 1927898), (56, 1377070), (70, 1101656), (80, 963949), (112, 688535), (140, 550828), (280, 275414), (560, 137707)]