51625880

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{3251}}^1$

素因数の和:3659

約数の個数: 32

約数和(自身を含む): 116486640

約数和(自身を除く): 64860760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3251, 3970, 6502, 7940, 13004, 15880, 16255, 26008, 32510, 65020, 130040, 1290647, 2581294, 5162588, 6453235, 10325176, 12906470, 25812940, 51625880]

約数ペア:

[(1, 51625880), (2, 25812940), (4, 12906470), (5, 10325176), (8, 6453235), (10, 5162588), (20, 2581294), (40, 1290647), (397, 130040), (794, 65020), (1588, 32510), (1985, 26008), (3176, 16255), (3251, 15880), (3970, 13004), (6502, 7940)]