64448960

素因数分解:

$2^6\times 5^1\times {\mathrm{201403}}^1$

素因数の和:201420

約数の個数: 28

約数和(自身を含む): 153469848

約数和(自身を除く): 89020888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 201403, 402806, 805612, 1007015, 1611224, 2014030, 3222448, 4028060, 6444896, 8056120, 12889792, 16112240, 32224480, 64448960]

約数ペア:

[(1, 64448960), (2, 32224480), (4, 16112240), (5, 12889792), (8, 8056120), (10, 6444896), (16, 4028060), (20, 3222448), (32, 2014030), (40, 1611224), (64, 1007015), (80, 805612), (160, 402806), (320, 201403)]