68759920

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{5273}}^1$

素因数の和:5449

約数の個数: 40

約数和(自身を含む): 160878096

約数和(自身を除く): 92118176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 5273, 6520, 10546, 13040, 21092, 26365, 42184, 52730, 84368, 105460, 210920, 421840, 859499, 1718998, 3437996, 4297495, 6875992, 8594990, 13751984, 17189980, 34379960, 68759920]

約数ペア:

[(1, 68759920), (2, 34379960), (4, 17189980), (5, 13751984), (8, 8594990), (10, 6875992), (16, 4297495), (20, 3437996), (40, 1718998), (80, 859499), (163, 421840), (326, 210920), (652, 105460), (815, 84368), (1304, 52730), (1630, 42184), (2608, 26365), (3260, 21092), (5273, 13040), (6520, 10546)]