13520120

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1489}}^1$

素因数の和:1727

約数の個数: 32

約数和(自身を含む): 30574800

約数和(自身を除く): 17054680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1489, 1816, 2270, 2978, 4540, 5956, 7445, 9080, 11912, 14890, 29780, 59560, 338003, 676006, 1352012, 1690015, 2704024, 3380030, 6760060, 13520120]

約数ペア:

[(1, 13520120), (2, 6760060), (4, 3380030), (5, 2704024), (8, 1690015), (10, 1352012), (20, 676006), (40, 338003), (227, 59560), (454, 29780), (908, 14890), (1135, 11912), (1489, 9080), (1816, 7445), (2270, 5956), (2978, 4540)]