40045490

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1279}}^1$

素因数の和:1418

約数の個数: 32

約数和(自身を含む): 75202560

約数和(自身を除く): 35157070

約数列:

[1, 2, 5, 10, 31, 62, 101, 155, 202, 310, 505, 1010, 1279, 2558, 3131, 6262, 6395, 12790, 15655, 31310, 39649, 79298, 129179, 198245, 258358, 396490, 645895, 1291790, 4004549, 8009098, 20022745, 40045490]

約数ペア:

[(1, 40045490), (2, 20022745), (5, 8009098), (10, 4004549), (31, 1291790), (62, 645895), (101, 396490), (155, 258358), (202, 198245), (310, 129179), (505, 79298), (1010, 39649), (1279, 31310), (2558, 15655), (3131, 12790), (6262, 6395)]