80310490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47521}}^1$

素因数の和:47554

約数の個数: 24

約数和(自身を含む): 156537468

約数和(自身を除く): 76226978

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 47521, 95042, 237605, 475210, 617773, 1235546, 3088865, 6177730, 8031049, 16062098, 40155245, 80310490]

約数ペア:

[(1, 80310490), (2, 40155245), (5, 16062098), (10, 8031049), (13, 6177730), (26, 3088865), (65, 1235546), (130, 617773), (169, 475210), (338, 237605), (845, 95042), (1690, 47521)]