204077320

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{21347}}^1$

素因数の和:21597

約数の個数: 32

約数和(自身を含む): 461116800

約数和(自身を除く): 257039480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 9560, 21347, 42694, 85388, 106735, 170776, 213470, 426940, 853880, 5101933, 10203866, 20407732, 25509665, 40815464, 51019330, 102038660, 204077320]

約数ペア:

[(1, 204077320), (2, 102038660), (4, 51019330), (5, 40815464), (8, 25509665), (10, 20407732), (20, 10203866), (40, 5101933), (239, 853880), (478, 426940), (956, 213470), (1195, 170776), (1912, 106735), (2390, 85388), (4780, 42694), (9560, 21347)]