100666240

素因数分解:

$2^7\times 5^1\times {\mathrm{157291}}^1$

素因数の和:157310

約数の個数: 32

約数和(自身を含む): 240656760

約数和(自身を除く): 139990520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 157291, 314582, 629164, 786455, 1258328, 1572910, 2516656, 3145820, 5033312, 6291640, 10066624, 12583280, 20133248, 25166560, 50333120, 100666240]

約数ペア:

[(1, 100666240), (2, 50333120), (4, 25166560), (5, 20133248), (8, 12583280), (10, 10066624), (16, 6291640), (20, 5033312), (32, 3145820), (40, 2516656), (64, 1572910), (80, 1258328), (128, 786455), (160, 629164), (320, 314582), (640, 157291)]