40990430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4441}}^1$

素因数の和:4532

約数の個数: 32

約数和(自身を含む): 80595648

約数和(自身を除く): 39605218

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4441, 4615, 8882, 9230, 22205, 44410, 57733, 115466, 288665, 315311, 577330, 630622, 1576555, 3153110, 4099043, 8198086, 20495215, 40990430]

約数ペア:

[(1, 40990430), (2, 20495215), (5, 8198086), (10, 4099043), (13, 3153110), (26, 1576555), (65, 630622), (71, 577330), (130, 315311), (142, 288665), (355, 115466), (710, 57733), (923, 44410), (1846, 22205), (4441, 9230), (4615, 8882)]