77909360

素因数分解:

$2^4\times 5^1\times {\mathrm{457}}^1\times {\mathrm{2131}}^1$

素因数の和:2601

約数の個数: 40

約数和(自身を含む): 181620816

約数和(自身を除く): 103711456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 457, 914, 1828, 2131, 2285, 3656, 4262, 4570, 7312, 8524, 9140, 10655, 17048, 18280, 21310, 34096, 36560, 42620, 85240, 170480, 973867, 1947734, 3895468, 4869335, 7790936, 9738670, 15581872, 19477340, 38954680, 77909360]

約数ペア:

[(1, 77909360), (2, 38954680), (4, 19477340), (5, 15581872), (8, 9738670), (10, 7790936), (16, 4869335), (20, 3895468), (40, 1947734), (80, 973867), (457, 170480), (914, 85240), (1828, 42620), (2131, 36560), (2285, 34096), (3656, 21310), (4262, 18280), (4570, 17048), (7312, 10655), (8524, 9140)]