2100078160

素因数分解:

$2^4\times 5^1\times {\mathrm{26250977}}^1$

素因数の和:26250990

約数の個数: 20

約数和(自身を含む): 4882681908

約数和(自身を除く): 2782603748

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 26250977, 52501954, 105003908, 131254885, 210007816, 262509770, 420015632, 525019540, 1050039080, 2100078160]

約数ペア:

[(1, 2100078160), (2, 1050039080), (4, 525019540), (5, 420015632), (8, 262509770), (10, 210007816), (16, 131254885), (20, 105003908), (40, 52501954), (80, 26250977)]