8049166360

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{431}}^1\times {\mathrm{1109}}^1$

素因数の和:1972

約数の個数: 64

約数和(自身を含む): 18212169600

約数和(自身を除く): 10163003240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 431, 842, 862, 1109, 1684, 1724, 2105, 2155, 2218, 3368, 3448, 4210, 4310, 4436, 5545, 8420, 8620, 8872, 11090, 16840, 17240, 22180, 44360, 181451, 362902, 466889, 477979, 725804, 907255, 933778, 955958, 1451608, 1814510, 1867556, 1911916, 2334445, 2389895, 3629020, 3735112, 3823832, 4668890, 4779790, 7258040, 9337780, 9559580, 18675560, 19119160, 201229159, 402458318, 804916636, 1006145795, 1609833272, 2012291590, 4024583180, 8049166360]

約数ペア:

[(1, 8049166360), (2, 4024583180), (4, 2012291590), (5, 1609833272), (8, 1006145795), (10, 804916636), (20, 402458318), (40, 201229159), (421, 19119160), (431, 18675560), (842, 9559580), (862, 9337780), (1109, 7258040), (1684, 4779790), (1724, 4668890), (2105, 3823832), (2155, 3735112), (2218, 3629020), (3368, 2389895), (3448, 2334445), (4210, 1911916), (4310, 1867556), (4436, 1814510), (5545, 1451608), (8420, 955958), (8620, 933778), (8872, 907255), (11090, 725804), (16840, 477979), (17240, 466889), (22180, 362902), (44360, 181451)]