25901220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^2$

素因数の和:309

約数の個数: 72

約数和(自身を含む): 76233024

約数和(自身を除く): 50331804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 137, 138, 230, 274, 276, 345, 411, 460, 548, 685, 690, 822, 1370, 1380, 1644, 2055, 2740, 3151, 4110, 6302, 8220, 9453, 12604, 15755, 18769, 18906, 31510, 37538, 37812, 47265, 56307, 63020, 75076, 93845, 94530, 112614, 187690, 189060, 225228, 281535, 375380, 431687, 563070, 863374, 1126140, 1295061, 1726748, 2158435, 2590122, 4316870, 5180244, 6475305, 8633740, 12950610, 25901220]

約数ペア:

[(1, 25901220), (2, 12950610), (3, 8633740), (4, 6475305), (5, 5180244), (6, 4316870), (10, 2590122), (12, 2158435), (15, 1726748), (20, 1295061), (23, 1126140), (30, 863374), (46, 563070), (60, 431687), (69, 375380), (92, 281535), (115, 225228), (137, 189060), (138, 187690), (230, 112614), (274, 94530), (276, 93845), (345, 75076), (411, 63020), (460, 56307), (548, 47265), (685, 37812), (690, 37538), (822, 31510), (1370, 18906), (1380, 18769), (1644, 15755), (2055, 12604), (2740, 9453), (3151, 8220), (4110, 6302)]