65368960

素因数分解:

$2^7\times 5^1\times {\mathrm{102139}}^1$

素因数の和:102158

約数の個数: 32

約数和(自身を含む): 156274200

約数和(自身を除く): 90905240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 102139, 204278, 408556, 510695, 817112, 1021390, 1634224, 2042780, 3268448, 4085560, 6536896, 8171120, 13073792, 16342240, 32684480, 65368960]

約数ペア:

[(1, 65368960), (2, 32684480), (4, 16342240), (5, 13073792), (8, 8171120), (10, 6536896), (16, 4085560), (20, 3268448), (32, 2042780), (40, 1634224), (64, 1021390), (80, 817112), (128, 510695), (160, 408556), (320, 204278), (640, 102139)]