40456144

素因数分解:

$2^4\times {\mathrm{331}}^1\times {\mathrm{7639}}^1$

素因数の和:7978

約数の個数: 20

約数和(自身を含む): 78630880

約数和(自身を除く): 38174736

約数列:

[1, 2, 4, 8, 16, 331, 662, 1324, 2648, 5296, 7639, 15278, 30556, 61112, 122224, 2528509, 5057018, 10114036, 20228072, 40456144]

約数ペア:

[(1, 40456144), (2, 20228072), (4, 10114036), (8, 5057018), (16, 2528509), (331, 122224), (662, 61112), (1324, 30556), (2648, 15278), (5296, 7639)]