1556420

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1319}}^1$

素因数の和:1387

約数の個数: 24

約数和(自身を含む): 3326400

約数和(自身を除く): 1769980

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 1319, 2638, 5276, 6595, 13190, 26380, 77821, 155642, 311284, 389105, 778210, 1556420]

約数ペア:

[(1, 1556420), (2, 778210), (4, 389105), (5, 311284), (10, 155642), (20, 77821), (59, 26380), (118, 13190), (236, 6595), (295, 5276), (590, 2638), (1180, 1319)]