15954440

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2447}}^1$

素因数の和:2621

約数の個数: 32

約数和(自身を含む): 36132480

約数和(自身を除く): 20178040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 2447, 3260, 4894, 6520, 9788, 12235, 19576, 24470, 48940, 97880, 398861, 797722, 1595444, 1994305, 3190888, 3988610, 7977220, 15954440]

約数ペア:

[(1, 15954440), (2, 7977220), (4, 3988610), (5, 3190888), (8, 1994305), (10, 1595444), (20, 797722), (40, 398861), (163, 97880), (326, 48940), (652, 24470), (815, 19576), (1304, 12235), (1630, 9788), (2447, 6520), (3260, 4894)]