1330643240

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{126487}}^1$

素因数の和:126761

約数の個数: 32

約数和(自身を含む): 3005354880

約数和(自身を除く): 1674711640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 10520, 126487, 252974, 505948, 632435, 1011896, 1264870, 2529740, 5059480, 33266081, 66532162, 133064324, 166330405, 266128648, 332660810, 665321620, 1330643240]

約数ペア:

[(1, 1330643240), (2, 665321620), (4, 332660810), (5, 266128648), (8, 166330405), (10, 133064324), (20, 66532162), (40, 33266081), (263, 5059480), (526, 2529740), (1052, 1264870), (1315, 1011896), (2104, 632435), (2630, 505948), (5260, 252974), (10520, 126487)]