9905440

素因数分解:

$2^5\times 5^1\times {\mathrm{61909}}^1$

素因数の和:61924

約数の個数: 24

約数和(自身を含む): 23401980

約数和(自身を除く): 13496540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 61909, 123818, 247636, 309545, 495272, 619090, 990544, 1238180, 1981088, 2476360, 4952720, 9905440]

約数ペア:

[(1, 9905440), (2, 4952720), (4, 2476360), (5, 1981088), (8, 1238180), (10, 990544), (16, 619090), (20, 495272), (32, 309545), (40, 247636), (80, 123818), (160, 61909)]