670137680

素因数分解:

$2^4\times 5^1\times {\mathrm{8376721}}^1$

素因数の和:8376734

約数の個数: 20

約数和(自身を含む): 1558070292

約数和(自身を除く): 887932612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 8376721, 16753442, 33506884, 41883605, 67013768, 83767210, 134027536, 167534420, 335068840, 670137680]

約数ペア:

[(1, 670137680), (2, 335068840), (4, 167534420), (5, 134027536), (8, 83767210), (10, 67013768), (16, 41883605), (20, 33506884), (40, 16753442), (80, 8376721)]