255451160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{206009}}^1$

素因数の和:206051

約数の個数: 32

約数和(自身を含む): 593308800

約数和(自身を除く): 337857640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 206009, 412018, 824036, 1030045, 1648072, 2060090, 4120180, 6386279, 8240360, 12772558, 25545116, 31931395, 51090232, 63862790, 127725580, 255451160]

約数ペア:

[(1, 255451160), (2, 127725580), (4, 63862790), (5, 51090232), (8, 31931395), (10, 25545116), (20, 12772558), (31, 8240360), (40, 6386279), (62, 4120180), (124, 2060090), (155, 1648072), (248, 1030045), (310, 824036), (620, 412018), (1240, 206009)]