40455980

素因数分解:

$2^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{3739}}^1$

素因数の和:4289

約数の個数: 24

約数和(自身を含む): 85137360

約数和(自身を除く): 44681380

約数列:

[1, 2, 4, 5, 10, 20, 541, 1082, 2164, 2705, 3739, 5410, 7478, 10820, 14956, 18695, 37390, 74780, 2022799, 4045598, 8091196, 10113995, 20227990, 40455980]

約数ペア:

[(1, 40455980), (2, 20227990), (4, 10113995), (5, 8091196), (10, 4045598), (20, 2022799), (541, 74780), (1082, 37390), (2164, 18695), (2705, 14956), (3739, 10820), (5410, 7478)]