64612040

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{9337}}^1$

素因数の和:9521

約数の個数: 32

約数和(自身を含む): 146233080

約数和(自身を除く): 81621040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 9337, 18674, 37348, 46685, 74696, 93370, 186740, 373480, 1615301, 3230602, 6461204, 8076505, 12922408, 16153010, 32306020, 64612040]

約数ペア:

[(1, 64612040), (2, 32306020), (4, 16153010), (5, 12922408), (8, 8076505), (10, 6461204), (20, 3230602), (40, 1615301), (173, 373480), (346, 186740), (692, 93370), (865, 74696), (1384, 46685), (1730, 37348), (3460, 18674), (6920, 9337)]