31887040

素因数分解:

$2^6\times 5^1\times {\mathrm{251}}^1\times {\mathrm{397}}^1$

素因数の和:665

約数の個数: 56

約数和(自身を含む): 76425552

約数和(自身を除く): 44538512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 251, 320, 397, 502, 794, 1004, 1255, 1588, 1985, 2008, 2510, 3176, 3970, 4016, 5020, 6352, 7940, 8032, 10040, 12704, 15880, 16064, 20080, 25408, 31760, 40160, 63520, 80320, 99647, 127040, 199294, 398588, 498235, 797176, 996470, 1594352, 1992940, 3188704, 3985880, 6377408, 7971760, 15943520, 31887040]

約数ペア:

[(1, 31887040), (2, 15943520), (4, 7971760), (5, 6377408), (8, 3985880), (10, 3188704), (16, 1992940), (20, 1594352), (32, 996470), (40, 797176), (64, 498235), (80, 398588), (160, 199294), (251, 127040), (320, 99647), (397, 80320), (502, 63520), (794, 40160), (1004, 31760), (1255, 25408), (1588, 20080), (1985, 16064), (2008, 15880), (2510, 12704), (3176, 10040), (3970, 8032), (4016, 7940), (5020, 6352)]