1640743630

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{409163}}^1$

素因数の和:409571

約数の個数: 16

約数和(自身を含む): 2960710704

約数和(自身を除く): 1319967074

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 409163, 818326, 2045815, 4091630, 164074363, 328148726, 820371815, 1640743630]

約数ペア:

[(1, 1640743630), (2, 820371815), (5, 328148726), (10, 164074363), (401, 4091630), (802, 2045815), (2005, 818326), (4010, 409163)]