71293960

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{15773}}^1$

素因数の和:15897

約数の個数: 32

約数和(自身を含む): 161841240

約数和(自身を除く): 90547280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 15773, 31546, 63092, 78865, 126184, 157730, 315460, 630920, 1782349, 3564698, 7129396, 8911745, 14258792, 17823490, 35646980, 71293960]

約数ペア:

[(1, 71293960), (2, 35646980), (4, 17823490), (5, 14258792), (8, 8911745), (10, 7129396), (20, 3564698), (40, 1782349), (113, 630920), (226, 315460), (452, 157730), (565, 126184), (904, 78865), (1130, 63092), (2260, 31546), (4520, 15773)]