63640780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{454577}}^1$

素因数の和:454593

約数の個数: 24

約数和(自身を含む): 152738208

約数和(自身を除く): 89097428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 454577, 909154, 1818308, 2272885, 3182039, 4545770, 6364078, 9091540, 12728156, 15910195, 31820390, 63640780]

約数ペア:

[(1, 63640780), (2, 31820390), (4, 15910195), (5, 12728156), (7, 9091540), (10, 6364078), (14, 4545770), (20, 3182039), (28, 2272885), (35, 1818308), (70, 909154), (140, 454577)]