31583980

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{11527}}^1$

素因数の和:11673

約数の個数: 24

約数和(自身を含む): 66816288

約数和(自身を除く): 35232308

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 11527, 23054, 46108, 57635, 115270, 230540, 1579199, 3158398, 6316796, 7895995, 15791990, 31583980]

約数ペア:

[(1, 31583980), (2, 15791990), (4, 7895995), (5, 6316796), (10, 3158398), (20, 1579199), (137, 230540), (274, 115270), (548, 57635), (685, 46108), (1370, 23054), (2740, 11527)]