66764080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26921}}^1$

素因数の和:26965

約数の個数: 40

約数和(自身を含む): 160239744

約数和(自身を除く): 93475664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 26921, 53842, 107684, 134605, 215368, 269210, 430736, 538420, 834551, 1076840, 1669102, 2153680, 3338204, 4172755, 6676408, 8345510, 13352816, 16691020, 33382040, 66764080]

約数ペア:

[(1, 66764080), (2, 33382040), (4, 16691020), (5, 13352816), (8, 8345510), (10, 6676408), (16, 4172755), (20, 3338204), (31, 2153680), (40, 1669102), (62, 1076840), (80, 834551), (124, 538420), (155, 430736), (248, 269210), (310, 215368), (496, 134605), (620, 107684), (1240, 53842), (2480, 26921)]