861472720

素因数分解:

$2^4\times 5^1\times {\mathrm{1709}}^1\times {\mathrm{6301}}^1$

素因数の和:8023

約数の個数: 40

約数和(自身を含む): 2004414120

約数和(自身を除く): 1142941400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1709, 3418, 6301, 6836, 8545, 12602, 13672, 17090, 25204, 27344, 31505, 34180, 50408, 63010, 68360, 100816, 126020, 136720, 252040, 504080, 10768409, 21536818, 43073636, 53842045, 86147272, 107684090, 172294544, 215368180, 430736360, 861472720]

約数ペア:

[(1, 861472720), (2, 430736360), (4, 215368180), (5, 172294544), (8, 107684090), (10, 86147272), (16, 53842045), (20, 43073636), (40, 21536818), (80, 10768409), (1709, 504080), (3418, 252040), (6301, 136720), (6836, 126020), (8545, 100816), (12602, 68360), (13672, 63010), (17090, 50408), (25204, 34180), (27344, 31505)]