208513720

素因数分解:

$2^3\times 5^1\times {\mathrm{5212843}}^1$

素因数の和:5212854

約数の個数: 16

約数和(自身を含む): 469155960

約数和(自身を除く): 260642240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5212843, 10425686, 20851372, 26064215, 41702744, 52128430, 104256860, 208513720]

約数ペア:

[(1, 208513720), (2, 104256860), (4, 52128430), (5, 41702744), (8, 26064215), (10, 20851372), (20, 10425686), (40, 5212843)]