1117967320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{649981}}^1$

素因数の和:650035

約数の個数: 32

約数和(自身を含む): 2573928720

約数和(自身を除く): 1455961400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 649981, 1299962, 2599924, 3249905, 5199848, 6499810, 12999620, 25999240, 27949183, 55898366, 111796732, 139745915, 223593464, 279491830, 558983660, 1117967320]

約数ペア:

[(1, 1117967320), (2, 558983660), (4, 279491830), (5, 223593464), (8, 139745915), (10, 111796732), (20, 55898366), (40, 27949183), (43, 25999240), (86, 12999620), (172, 6499810), (215, 5199848), (344, 3249905), (430, 2599924), (860, 1299962), (1720, 649981)]