387628040

素因数分解:

$2^3\times 5^1\times {\mathrm{9690701}}^1$

素因数の和:9690712

約数の個数: 16

約数和(自身を含む): 872163180

約数和(自身を除く): 484535140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 9690701, 19381402, 38762804, 48453505, 77525608, 96907010, 193814020, 387628040]

約数ペア:

[(1, 387628040), (2, 193814020), (4, 96907010), (5, 77525608), (8, 48453505), (10, 38762804), (20, 19381402), (40, 9690701)]