206373760

素因数分解:

$2^7\times 5^1\times {\mathrm{322459}}^1$

素因数の和:322478

約数の個数: 32

約数和(自身を含む): 493363800

約数和(自身を除く): 286990040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 322459, 644918, 1289836, 1612295, 2579672, 3224590, 5159344, 6449180, 10318688, 12898360, 20637376, 25796720, 41274752, 51593440, 103186880, 206373760]

約数ペア:

[(1, 206373760), (2, 103186880), (4, 51593440), (5, 41274752), (8, 25796720), (10, 20637376), (16, 12898360), (20, 10318688), (32, 6449180), (40, 5159344), (64, 3224590), (80, 2579672), (128, 1612295), (160, 1289836), (320, 644918), (640, 322459)]