104390420

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{21839}}^1$

素因数の和:22087

約数の個数: 24

約数和(自身を含む): 220147200

約数和(自身を除く): 115756780

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 21839, 43678, 87356, 109195, 218390, 436780, 5219521, 10439042, 20878084, 26097605, 52195210, 104390420]

約数ペア:

[(1, 104390420), (2, 52195210), (4, 26097605), (5, 20878084), (10, 10439042), (20, 5219521), (239, 436780), (478, 218390), (956, 109195), (1195, 87356), (2390, 43678), (4780, 21839)]