40266760

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{3917}}^1$

素因数の和:4185

約数の個数: 32

約数和(自身を含む): 90975960

約数和(自身を除く): 50709200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 3917, 5140, 7834, 10280, 15668, 19585, 31336, 39170, 78340, 156680, 1006669, 2013338, 4026676, 5033345, 8053352, 10066690, 20133380, 40266760]

約数ペア:

[(1, 40266760), (2, 20133380), (4, 10066690), (5, 8053352), (8, 5033345), (10, 4026676), (20, 2013338), (40, 1006669), (257, 156680), (514, 78340), (1028, 39170), (1285, 31336), (2056, 19585), (2570, 15668), (3917, 10280), (5140, 7834)]