3973720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2423}}^1$

素因数の和:2475

約数の個数: 32

約数和(自身を含む): 9162720

約数和(自身を除く): 5189000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 2423, 4846, 9692, 12115, 19384, 24230, 48460, 96920, 99343, 198686, 397372, 496715, 794744, 993430, 1986860, 3973720]

約数ペア:

[(1, 3973720), (2, 1986860), (4, 993430), (5, 794744), (8, 496715), (10, 397372), (20, 198686), (40, 99343), (41, 96920), (82, 48460), (164, 24230), (205, 19384), (328, 12115), (410, 9692), (820, 4846), (1640, 2423)]