68690680

素因数分解:

$2^3\times 5^1\times {\mathrm{463}}^1\times {\mathrm{3709}}^1$

素因数の和:4183

約数の個数: 32

約数和(自身を含む): 154929600

約数和(自身を除く): 86238920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 463, 926, 1852, 2315, 3704, 3709, 4630, 7418, 9260, 14836, 18520, 18545, 29672, 37090, 74180, 148360, 1717267, 3434534, 6869068, 8586335, 13738136, 17172670, 34345340, 68690680]

約数ペア:

[(1, 68690680), (2, 34345340), (4, 17172670), (5, 13738136), (8, 8586335), (10, 6869068), (20, 3434534), (40, 1717267), (463, 148360), (926, 74180), (1852, 37090), (2315, 29672), (3704, 18545), (3709, 18520), (4630, 14836), (7418, 9260)]