56712760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109063}}^1$

素因数の和:109087

約数の個数: 32

約数和(自身を含む): 137420640

約数和(自身を除く): 80707880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 109063, 218126, 436252, 545315, 872504, 1090630, 1417819, 2181260, 2835638, 4362520, 5671276, 7089095, 11342552, 14178190, 28356380, 56712760]

約数ペア:

[(1, 56712760), (2, 28356380), (4, 14178190), (5, 11342552), (8, 7089095), (10, 5671276), (13, 4362520), (20, 2835638), (26, 2181260), (40, 1417819), (52, 1090630), (65, 872504), (104, 545315), (130, 436252), (260, 218126), (520, 109063)]