64364480

素因数分解:

$2^6\times 5^1\times {\mathrm{201139}}^1$

素因数の和:201156

約数の個数: 28

約数和(自身を含む): 153268680

約数和(自身を除く): 88904200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 201139, 402278, 804556, 1005695, 1609112, 2011390, 3218224, 4022780, 6436448, 8045560, 12872896, 16091120, 32182240, 64364480]

約数ペア:

[(1, 64364480), (2, 32182240), (4, 16091120), (5, 12872896), (8, 8045560), (10, 6436448), (16, 4022780), (20, 3218224), (32, 2011390), (40, 1609112), (64, 1005695), (80, 804556), (160, 402278), (320, 201139)]