56656840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{45691}}^1$

素因数の和:45733

約数の個数: 32

約数和(自身を含む): 131592960

約数和(自身を除く): 74936120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 45691, 91382, 182764, 228455, 365528, 456910, 913820, 1416421, 1827640, 2832842, 5665684, 7082105, 11331368, 14164210, 28328420, 56656840]

約数ペア:

[(1, 56656840), (2, 28328420), (4, 14164210), (5, 11331368), (8, 7082105), (10, 5665684), (20, 2832842), (31, 1827640), (40, 1416421), (62, 913820), (124, 456910), (155, 365528), (248, 228455), (310, 182764), (620, 91382), (1240, 45691)]