51381260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11839}}^1$

素因数の和:11886

約数の個数: 48

約数和(自身を含む): 127303680

約数和(自身を除く): 75922420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 11839, 23678, 47356, 59195, 82873, 118390, 165746, 236780, 331492, 367009, 414365, 734018, 828730, 1468036, 1657460, 1835045, 2569063, 3670090, 5138126, 7340180, 10276252, 12845315, 25690630, 51381260]

約数ペア:

[(1, 51381260), (2, 25690630), (4, 12845315), (5, 10276252), (7, 7340180), (10, 5138126), (14, 3670090), (20, 2569063), (28, 1835045), (31, 1657460), (35, 1468036), (62, 828730), (70, 734018), (124, 414365), (140, 367009), (155, 331492), (217, 236780), (310, 165746), (434, 118390), (620, 82873), (868, 59195), (1085, 47356), (2170, 23678), (4340, 11839)]