51943480

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{3271}}^1$

素因数の和:3679

約数の個数: 32

約数和(自身を含む): 117203040

約数和(自身を除く): 65259560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3271, 3970, 6542, 7940, 13084, 15880, 16355, 26168, 32710, 65420, 130840, 1298587, 2597174, 5194348, 6492935, 10388696, 12985870, 25971740, 51943480]

約数ペア:

[(1, 51943480), (2, 25971740), (4, 12985870), (5, 10388696), (8, 6492935), (10, 5194348), (20, 2597174), (40, 1298587), (397, 130840), (794, 65420), (1588, 32710), (1985, 26168), (3176, 16355), (3271, 15880), (3970, 13084), (6542, 7940)]