2237528080

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{393931}}^1$

素因数の和:394015

約数の個数: 40

約数和(自身を含む): 5275537344

約数和(自身を除く): 3038009264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 393931, 787862, 1575724, 1969655, 3151448, 3939310, 6302896, 7878620, 15757240, 27969101, 31514480, 55938202, 111876404, 139845505, 223752808, 279691010, 447505616, 559382020, 1118764040, 2237528080]

約数ペア:

[(1, 2237528080), (2, 1118764040), (4, 559382020), (5, 447505616), (8, 279691010), (10, 223752808), (16, 139845505), (20, 111876404), (40, 55938202), (71, 31514480), (80, 27969101), (142, 15757240), (284, 7878620), (355, 6302896), (568, 3939310), (710, 3151448), (1136, 1969655), (1420, 1575724), (2840, 787862), (5680, 393931)]