205364240

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{111611}}^1$

素因数の和:111647

約数の個数: 40

約数和(自身を含む): 498235968

約数和(自身を除く): 292871728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 111611, 223222, 446444, 558055, 892888, 1116110, 1785776, 2232220, 2567053, 4464440, 5134106, 8928880, 10268212, 12835265, 20536424, 25670530, 41072848, 51341060, 102682120, 205364240]

約数ペア:

[(1, 205364240), (2, 102682120), (4, 51341060), (5, 41072848), (8, 25670530), (10, 20536424), (16, 12835265), (20, 10268212), (23, 8928880), (40, 5134106), (46, 4464440), (80, 2567053), (92, 2232220), (115, 1785776), (184, 1116110), (230, 892888), (368, 558055), (460, 446444), (920, 223222), (1840, 111611)]