425440

素因数分解:

$2^5\times 5^1\times {\mathrm{2659}}^1$

素因数の和:2674

約数の個数: 24

約数和(自身を含む): 1005480

約数和(自身を除く): 580040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2659, 5318, 10636, 13295, 21272, 26590, 42544, 53180, 85088, 106360, 212720, 425440]

約数ペア:

[(1, 425440), (2, 212720), (4, 106360), (5, 85088), (8, 53180), (10, 42544), (16, 26590), (20, 21272), (32, 13295), (40, 10636), (80, 5318), (160, 2659)]