64720624

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{29101}}^1$

素因数の和:29248

約数の個数: 20

約数和(自身を含む): 126302680

約数和(自身を除く): 61582056

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 29101, 58202, 116404, 232808, 465616, 4045039, 8090078, 16180156, 32360312, 64720624]

約数ペア:

[(1, 64720624), (2, 32360312), (4, 16180156), (8, 8090078), (16, 4045039), (139, 465616), (278, 232808), (556, 116404), (1112, 58202), (2224, 29101)]