72457960

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{10847}}^1$

素因数の和:11025

約数の個数: 32

約数和(自身を含む): 164021760

約数和(自身を除く): 91563800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3340, 6680, 10847, 21694, 43388, 54235, 86776, 108470, 216940, 433880, 1811449, 3622898, 7245796, 9057245, 14491592, 18114490, 36228980, 72457960]

約数ペア:

[(1, 72457960), (2, 36228980), (4, 18114490), (5, 14491592), (8, 9057245), (10, 7245796), (20, 3622898), (40, 1811449), (167, 433880), (334, 216940), (668, 108470), (835, 86776), (1336, 54235), (1670, 43388), (3340, 21694), (6680, 10847)]