1666480

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{563}}^1$

素因数の和:613

約数の個数: 40

約数和(自身を含む): 3986352

約数和(自身を除く): 2319872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 563, 592, 740, 1126, 1480, 2252, 2815, 2960, 4504, 5630, 9008, 11260, 20831, 22520, 41662, 45040, 83324, 104155, 166648, 208310, 333296, 416620, 833240, 1666480]

約数ペア:

[(1, 1666480), (2, 833240), (4, 416620), (5, 333296), (8, 208310), (10, 166648), (16, 104155), (20, 83324), (37, 45040), (40, 41662), (74, 22520), (80, 20831), (148, 11260), (185, 9008), (296, 5630), (370, 4504), (563, 2960), (592, 2815), (740, 2252), (1126, 1480)]