828865540

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{157579}}^1$

素因数の和:157851

約数の個数: 24

約数和(自身を含む): 1747247040

約数和(自身を除く): 918381500

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 5260, 157579, 315158, 630316, 787895, 1575790, 3151580, 41443277, 82886554, 165773108, 207216385, 414432770, 828865540]

約数ペア:

[(1, 828865540), (2, 414432770), (4, 207216385), (5, 165773108), (10, 82886554), (20, 41443277), (263, 3151580), (526, 1575790), (1052, 787895), (1315, 630316), (2630, 315158), (5260, 157579)]