40617980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5387}}^1$

素因数の和:5438

約数の個数: 48

約数和(自身を含む): 95044320

約数和(自身を除く): 54426340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 5387, 7540, 10774, 21548, 26935, 53870, 70031, 107740, 140062, 156223, 280124, 312446, 350155, 624892, 700310, 781115, 1400620, 1562230, 2030899, 3124460, 4061798, 8123596, 10154495, 20308990, 40617980]

約数ペア:

[(1, 40617980), (2, 20308990), (4, 10154495), (5, 8123596), (10, 4061798), (13, 3124460), (20, 2030899), (26, 1562230), (29, 1400620), (52, 781115), (58, 700310), (65, 624892), (116, 350155), (130, 312446), (145, 280124), (260, 156223), (290, 140062), (377, 107740), (580, 70031), (754, 53870), (1508, 26935), (1885, 21548), (3770, 10774), (5387, 7540)]