139741520

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{22111}}^1$

素因数の和:22203

約数の個数: 40

約数和(自身を含む): 329026560

約数和(自身を除く): 189285040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 22111, 44222, 88444, 110555, 176888, 221110, 353776, 442220, 884440, 1746769, 1768880, 3493538, 6987076, 8733845, 13974152, 17467690, 27948304, 34935380, 69870760, 139741520]

約数ペア:

[(1, 139741520), (2, 69870760), (4, 34935380), (5, 27948304), (8, 17467690), (10, 13974152), (16, 8733845), (20, 6987076), (40, 3493538), (79, 1768880), (80, 1746769), (158, 884440), (316, 442220), (395, 353776), (632, 221110), (790, 176888), (1264, 110555), (1580, 88444), (3160, 44222), (6320, 22111)]