193886680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{372859}}^1$

素因数の和:372883

約数の個数: 32

約数和(自身を含む): 469803600

約数和(自身を除く): 275916920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 372859, 745718, 1491436, 1864295, 2982872, 3728590, 4847167, 7457180, 9694334, 14914360, 19388668, 24235835, 38777336, 48471670, 96943340, 193886680]

約数ペア:

[(1, 193886680), (2, 96943340), (4, 48471670), (5, 38777336), (8, 24235835), (10, 19388668), (13, 14914360), (20, 9694334), (26, 7457180), (40, 4847167), (52, 3728590), (65, 2982872), (104, 1864295), (130, 1491436), (260, 745718), (520, 372859)]