25409080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{499}}^1$

素因数の和:596

約数の個数: 64

約数和(自身を含む): 61200000

約数和(自身を除く): 35790920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 67, 76, 95, 134, 152, 190, 268, 335, 380, 499, 536, 670, 760, 998, 1273, 1340, 1996, 2495, 2546, 2680, 3992, 4990, 5092, 6365, 9481, 9980, 10184, 12730, 18962, 19960, 25460, 33433, 37924, 47405, 50920, 66866, 75848, 94810, 133732, 167165, 189620, 267464, 334330, 379240, 635227, 668660, 1270454, 1337320, 2540908, 3176135, 5081816, 6352270, 12704540, 25409080]

約数ペア:

[(1, 25409080), (2, 12704540), (4, 6352270), (5, 5081816), (8, 3176135), (10, 2540908), (19, 1337320), (20, 1270454), (38, 668660), (40, 635227), (67, 379240), (76, 334330), (95, 267464), (134, 189620), (152, 167165), (190, 133732), (268, 94810), (335, 75848), (380, 66866), (499, 50920), (536, 47405), (670, 37924), (760, 33433), (998, 25460), (1273, 19960), (1340, 18962), (1996, 12730), (2495, 10184), (2546, 9980), (2680, 9481), (3992, 6365), (4990, 5092)]