2011832720

素因数分解:

$2^4\times 5^1\times {\mathrm{25147909}}^1$

素因数の和:25147922

約数の個数: 20

約数和(自身を含む): 4677511260

約数和(自身を除く): 2665678540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25147909, 50295818, 100591636, 125739545, 201183272, 251479090, 402366544, 502958180, 1005916360, 2011832720]

約数ペア:

[(1, 2011832720), (2, 1005916360), (4, 502958180), (5, 402366544), (8, 251479090), (10, 201183272), (16, 125739545), (20, 100591636), (40, 50295818), (80, 25147909)]