66189040

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:398

約数の個数: 80

約数和(自身を含む): 160275456

約数和(自身を除く): 94086416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 71, 80, 86, 142, 172, 215, 271, 284, 344, 355, 430, 542, 568, 688, 710, 860, 1084, 1136, 1355, 1420, 1720, 2168, 2710, 2840, 3053, 3440, 4336, 5420, 5680, 6106, 10840, 11653, 12212, 15265, 19241, 21680, 23306, 24424, 30530, 38482, 46612, 48848, 58265, 61060, 76964, 93224, 96205, 116530, 122120, 153928, 186448, 192410, 233060, 244240, 307856, 384820, 466120, 769640, 827363, 932240, 1539280, 1654726, 3309452, 4136815, 6618904, 8273630, 13237808, 16547260, 33094520, 66189040]

約数ペア:

[(1, 66189040), (2, 33094520), (4, 16547260), (5, 13237808), (8, 8273630), (10, 6618904), (16, 4136815), (20, 3309452), (40, 1654726), (43, 1539280), (71, 932240), (80, 827363), (86, 769640), (142, 466120), (172, 384820), (215, 307856), (271, 244240), (284, 233060), (344, 192410), (355, 186448), (430, 153928), (542, 122120), (568, 116530), (688, 96205), (710, 93224), (860, 76964), (1084, 61060), (1136, 58265), (1355, 48848), (1420, 46612), (1720, 38482), (2168, 30530), (2710, 24424), (2840, 23306), (3053, 21680), (3440, 19241), (4336, 15265), (5420, 12212), (5680, 11653), (6106, 10840)]