8625580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 18952416

約数和(自身を除く): 10326836

約数列:

[1, 2, 4, 5, 10, 20, 41, 67, 82, 134, 157, 164, 205, 268, 314, 335, 410, 628, 670, 785, 820, 1340, 1570, 2747, 3140, 5494, 6437, 10519, 10988, 12874, 13735, 21038, 25748, 27470, 32185, 42076, 52595, 54940, 64370, 105190, 128740, 210380, 431279, 862558, 1725116, 2156395, 4312790, 8625580]

約数ペア:

[(1, 8625580), (2, 4312790), (4, 2156395), (5, 1725116), (10, 862558), (20, 431279), (41, 210380), (67, 128740), (82, 105190), (134, 64370), (157, 54940), (164, 52595), (205, 42076), (268, 32185), (314, 27470), (335, 25748), (410, 21038), (628, 13735), (670, 12874), (785, 10988), (820, 10519), (1340, 6437), (1570, 5494), (2747, 3140)]