38820340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149309}}^1$

素因数の和:149331

約数の個数: 24

約数和(自身を含む): 87794280

約数和(自身を除く): 48973940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 149309, 298618, 597236, 746545, 1493090, 1941017, 2986180, 3882034, 7764068, 9705085, 19410170, 38820340]

約数ペア:

[(1, 38820340), (2, 19410170), (4, 9705085), (5, 7764068), (10, 3882034), (13, 2986180), (20, 1941017), (26, 1493090), (52, 746545), (65, 597236), (130, 298618), (260, 149309)]