25997530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6451}}^1$

素因数の和:6502

約数の個数: 32

約数和(自身を含む): 52028928

約数和(自身を除く): 26031398

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 6451, 12902, 32255, 64510, 83863, 167726, 199981, 399962, 419315, 838630, 999905, 1999810, 2599753, 5199506, 12998765, 25997530]

約数ペア:

[(1, 25997530), (2, 12998765), (5, 5199506), (10, 2599753), (13, 1999810), (26, 999905), (31, 838630), (62, 419315), (65, 399962), (130, 199981), (155, 167726), (310, 83863), (403, 64510), (806, 32255), (2015, 12902), (4030, 6451)]