2487580

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2039}}^1$

素因数の和:2109

約数の個数: 24

約数和(自身を含む): 5312160

約数和(自身を除く): 2824580

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 2039, 4078, 8156, 10195, 20390, 40780, 124379, 248758, 497516, 621895, 1243790, 2487580]

約数ペア:

[(1, 2487580), (2, 1243790), (4, 621895), (5, 497516), (10, 248758), (20, 124379), (61, 40780), (122, 20390), (244, 10195), (305, 8156), (610, 4078), (1220, 2039)]