1330240040

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{63587}}^1$

素因数の和:64121

約数の個数: 32

約数和(自身を含む): 2998810080

約数和(自身を除く): 1668570040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 2092, 2615, 4184, 5230, 10460, 20920, 63587, 127174, 254348, 317935, 508696, 635870, 1271740, 2543480, 33256001, 66512002, 133024004, 166280005, 266048008, 332560010, 665120020, 1330240040]

約数ペア:

[(1, 1330240040), (2, 665120020), (4, 332560010), (5, 266048008), (8, 166280005), (10, 133024004), (20, 66512002), (40, 33256001), (523, 2543480), (1046, 1271740), (2092, 635870), (2615, 508696), (4184, 317935), (5230, 254348), (10460, 127174), (20920, 63587)]