201480520

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{9631}}^1$

素因数の和:10165

約数の個数: 32

約数和(自身を含む): 454245120

約数和(自身を除く): 252764600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 2092, 2615, 4184, 5230, 9631, 10460, 19262, 20920, 38524, 48155, 77048, 96310, 192620, 385240, 5037013, 10074026, 20148052, 25185065, 40296104, 50370130, 100740260, 201480520]

約数ペア:

[(1, 201480520), (2, 100740260), (4, 50370130), (5, 40296104), (8, 25185065), (10, 20148052), (20, 10074026), (40, 5037013), (523, 385240), (1046, 192620), (2092, 96310), (2615, 77048), (4184, 48155), (5230, 38524), (9631, 20920), (10460, 19262)]