28938960520

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2326283}}^1$

素因数の和:2326605

約数の個数: 32

約数和(自身を含む): 65322054720

約数和(自身を除く): 36383094200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 6220, 12440, 2326283, 4652566, 9305132, 11631415, 18610264, 23262830, 46525660, 93051320, 723474013, 1446948026, 2893896052, 3617370065, 5787792104, 7234740130, 14469480260, 28938960520]

約数ペア:

[(1, 28938960520), (2, 14469480260), (4, 7234740130), (5, 5787792104), (8, 3617370065), (10, 2893896052), (20, 1446948026), (40, 723474013), (311, 93051320), (622, 46525660), (1244, 23262830), (1555, 18610264), (2488, 11631415), (3110, 9305132), (6220, 4652566), (12440, 2326283)]