42978520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{82651}}^1$

素因数の和:82675

約数の個数: 32

約数和(自身を含む): 104141520

約数和(自身を除く): 61163000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 82651, 165302, 330604, 413255, 661208, 826510, 1074463, 1653020, 2148926, 3306040, 4297852, 5372315, 8595704, 10744630, 21489260, 42978520]

約数ペア:

[(1, 42978520), (2, 21489260), (4, 10744630), (5, 8595704), (8, 5372315), (10, 4297852), (13, 3306040), (20, 2148926), (26, 1653020), (40, 1074463), (52, 826510), (65, 661208), (104, 413255), (130, 330604), (260, 165302), (520, 82651)]