64720112

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{139483}}^1$

素因数の和:139520

約数の個数: 20

約数和(自身を含む): 129720120

約数和(自身を除く): 65000008

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 139483, 278966, 557932, 1115864, 2231728, 4045007, 8090014, 16180028, 32360056, 64720112]

約数ペア:

[(1, 64720112), (2, 32360056), (4, 16180028), (8, 8090014), (16, 4045007), (29, 2231728), (58, 1115864), (116, 557932), (232, 278966), (464, 139483)]