61282780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{18131}}^1$

素因数の和:18166

約数の個数: 36

約数和(自身を含む): 139362552

約数和(自身を除く): 78079772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 18131, 36262, 72524, 90655, 181310, 235703, 362620, 471406, 942812, 1178515, 2357030, 3064139, 4714060, 6128278, 12256556, 15320695, 30641390, 61282780]

約数ペア:

[(1, 61282780), (2, 30641390), (4, 15320695), (5, 12256556), (10, 6128278), (13, 4714060), (20, 3064139), (26, 2357030), (52, 1178515), (65, 942812), (130, 471406), (169, 362620), (260, 235703), (338, 181310), (676, 90655), (845, 72524), (1690, 36262), (3380, 18131)]