99877240

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{11197}}^1$

素因数の和:11431

約数の個数: 32

約数和(自身を含む): 225751680

約数和(自身を除く): 125874440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 11197, 22394, 44788, 55985, 89576, 111970, 223940, 447880, 2496931, 4993862, 9987724, 12484655, 19975448, 24969310, 49938620, 99877240]

約数ペア:

[(1, 99877240), (2, 49938620), (4, 24969310), (5, 19975448), (8, 12484655), (10, 9987724), (20, 4993862), (40, 2496931), (223, 447880), (446, 223940), (892, 111970), (1115, 89576), (1784, 55985), (2230, 44788), (4460, 22394), (8920, 11197)]