726492520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1397101}}^1$

素因数の和:1397125

約数の個数: 32

約数和(自身を含む): 1760348520

約数和(自身を除く): 1033856000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1397101, 2794202, 5588404, 6985505, 11176808, 13971010, 18162313, 27942020, 36324626, 55884040, 72649252, 90811565, 145298504, 181623130, 363246260, 726492520]

約数ペア:

[(1, 726492520), (2, 363246260), (4, 181623130), (5, 145298504), (8, 90811565), (10, 72649252), (13, 55884040), (20, 36324626), (26, 27942020), (40, 18162313), (52, 13971010), (65, 11176808), (104, 6985505), (130, 5588404), (260, 2794202), (520, 1397101)]