80783240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{701}}^1$

素因数の和:822

約数の個数: 64

約数和(自身を含む): 189034560

約数和(自身を除く): 108251320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 67, 86, 134, 172, 215, 268, 335, 344, 430, 536, 670, 701, 860, 1340, 1402, 1720, 2680, 2804, 2881, 3505, 5608, 5762, 7010, 11524, 14020, 14405, 23048, 28040, 28810, 30143, 46967, 57620, 60286, 93934, 115240, 120572, 150715, 187868, 234835, 241144, 301430, 375736, 469670, 602860, 939340, 1205720, 1878680, 2019581, 4039162, 8078324, 10097905, 16156648, 20195810, 40391620, 80783240]

約数ペア:

[(1, 80783240), (2, 40391620), (4, 20195810), (5, 16156648), (8, 10097905), (10, 8078324), (20, 4039162), (40, 2019581), (43, 1878680), (67, 1205720), (86, 939340), (134, 602860), (172, 469670), (215, 375736), (268, 301430), (335, 241144), (344, 234835), (430, 187868), (536, 150715), (670, 120572), (701, 115240), (860, 93934), (1340, 60286), (1402, 57620), (1720, 46967), (2680, 30143), (2804, 28810), (2881, 28040), (3505, 23048), (5608, 14405), (5762, 14020), (7010, 11524)]