164153680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{66191}}^1$

素因数の和:66235

約数の個数: 40

約数和(自身を含む): 393974784

約数和(自身を除く): 229821104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 66191, 132382, 264764, 330955, 529528, 661910, 1059056, 1323820, 2051921, 2647640, 4103842, 5295280, 8207684, 10259605, 16415368, 20519210, 32830736, 41038420, 82076840, 164153680]

約数ペア:

[(1, 164153680), (2, 82076840), (4, 41038420), (5, 32830736), (8, 20519210), (10, 16415368), (16, 10259605), (20, 8207684), (31, 5295280), (40, 4103842), (62, 2647640), (80, 2051921), (124, 1323820), (155, 1059056), (248, 661910), (310, 529528), (496, 330955), (620, 264764), (1240, 132382), (2480, 66191)]