187481320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{360541}}^1$

素因数の和:360565

約数の個数: 32

約数和(自身を含む): 454282920

約数和(自身を除く): 266801600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 360541, 721082, 1442164, 1802705, 2884328, 3605410, 4687033, 7210820, 9374066, 14421640, 18748132, 23435165, 37496264, 46870330, 93740660, 187481320]

約数ペア:

[(1, 187481320), (2, 93740660), (4, 46870330), (5, 37496264), (8, 23435165), (10, 18748132), (13, 14421640), (20, 9374066), (26, 7210820), (40, 4687033), (52, 3605410), (65, 2884328), (104, 1802705), (130, 1442164), (260, 721082), (520, 360541)]