7971760

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{397}}^1$

素因数の和:661

約数の個数: 40

約数和(自身を含む): 18655056

約数和(自身を除く): 10683296

約数列:

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

約数ペア:

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