2099630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:572

約数の個数: 32

約数和(自身を含む): 4209408

約数和(自身を除く): 2109778

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 521, 806, 1042, 2015, 2605, 4030, 5210, 6773, 13546, 16151, 32302, 33865, 67730, 80755, 161510, 209963, 419926, 1049815, 2099630]

約数ペア:

[(1, 2099630), (2, 1049815), (5, 419926), (10, 209963), (13, 161510), (26, 80755), (31, 67730), (62, 33865), (65, 32302), (130, 16151), (155, 13546), (310, 6773), (403, 5210), (521, 4030), (806, 2605), (1042, 2015)]