65706880

素因数分解:

$2^7\times 5^1\times {\mathrm{102667}}^1$

素因数の和:102686

約数の個数: 32

約数和(自身を含む): 157082040

約数和(自身を除く): 91375160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 102667, 205334, 410668, 513335, 821336, 1026670, 1642672, 2053340, 3285344, 4106680, 6570688, 8213360, 13141376, 16426720, 32853440, 65706880]

約数ペア:

[(1, 65706880), (2, 32853440), (4, 16426720), (5, 13141376), (8, 8213360), (10, 6570688), (16, 4106680), (20, 3285344), (32, 2053340), (40, 1642672), (64, 1026670), (80, 821336), (128, 513335), (160, 410668), (320, 205334), (640, 102667)]