20160487880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38770169}}^1$

素因数の和:38770193

約数の個数: 32

約数和(自身を含む): 48850414200

約数和(自身を除く): 28689926320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38770169, 77540338, 155080676, 193850845, 310161352, 387701690, 504012197, 775403380, 1008024394, 1550806760, 2016048788, 2520060985, 4032097576, 5040121970, 10080243940, 20160487880]

約数ペア:

[(1, 20160487880), (2, 10080243940), (4, 5040121970), (5, 4032097576), (8, 2520060985), (10, 2016048788), (13, 1550806760), (20, 1008024394), (26, 775403380), (40, 504012197), (52, 387701690), (65, 310161352), (104, 193850845), (130, 155080676), (260, 77540338), (520, 38770169)]