25779910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6397}}^1$

素因数の和:6448

約数の個数: 32

約数和(自身を含む): 51593472

約数和(自身を除く): 25813562

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 6397, 12794, 31985, 63970, 83161, 166322, 198307, 396614, 415805, 831610, 991535, 1983070, 2577991, 5155982, 12889955, 25779910]

約数ペア:

[(1, 25779910), (2, 12889955), (5, 5155982), (10, 2577991), (13, 1983070), (26, 991535), (31, 831610), (62, 415805), (65, 396614), (130, 198307), (155, 166322), (310, 83161), (403, 63970), (806, 31985), (2015, 12794), (4030, 6397)]