99383320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{57781}}^1$

素因数の和:57835

約数の個数: 32

約数和(自身を含む): 228816720

約数和(自身を除く): 129433400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 57781, 115562, 231124, 288905, 462248, 577810, 1155620, 2311240, 2484583, 4969166, 9938332, 12422915, 19876664, 24845830, 49691660, 99383320]

約数ペア:

[(1, 99383320), (2, 49691660), (4, 24845830), (5, 19876664), (8, 12422915), (10, 9938332), (20, 4969166), (40, 2484583), (43, 2311240), (86, 1155620), (172, 577810), (215, 462248), (344, 288905), (430, 231124), (860, 115562), (1720, 57781)]