15943520

素因数分解:

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

素因数の和:663

約数の個数: 48

約数和(自身を含む): 37911888

約数和(自身を除く): 21968368

約数列:

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

約数ペア:

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