101020520

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{10567}}^1$

素因数の和:10817

約数の個数: 32

約数和(自身を含む): 228268800

約数和(自身を除く): 127248280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 9560, 10567, 21134, 42268, 52835, 84536, 105670, 211340, 422680, 2525513, 5051026, 10102052, 12627565, 20204104, 25255130, 50510260, 101020520]

約数ペア:

[(1, 101020520), (2, 50510260), (4, 25255130), (5, 20204104), (8, 12627565), (10, 10102052), (20, 5051026), (40, 2525513), (239, 422680), (478, 211340), (956, 105670), (1195, 84536), (1912, 52835), (2390, 42268), (4780, 21134), (9560, 10567)]