40787920

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{17581}}^1$

素因数の和:17623

約数の個数: 40

約数和(自身を含む): 98107560

約数和(自身を除く): 57319640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 17581, 35162, 70324, 87905, 140648, 175810, 281296, 351620, 509849, 703240, 1019698, 1406480, 2039396, 2549245, 4078792, 5098490, 8157584, 10196980, 20393960, 40787920]

約数ペア:

[(1, 40787920), (2, 20393960), (4, 10196980), (5, 8157584), (8, 5098490), (10, 4078792), (16, 2549245), (20, 2039396), (29, 1406480), (40, 1019698), (58, 703240), (80, 509849), (116, 351620), (145, 281296), (232, 175810), (290, 140648), (464, 87905), (580, 70324), (1160, 35162), (2320, 17581)]