25835740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{643}}^1$

素因数の和:707

約数の個数: 72

約数和(自身を含む): 64752912

約数和(自身を除く): 38917172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 574, 643, 820, 980, 1148, 1286, 1435, 2009, 2572, 2870, 3215, 4018, 4501, 5740, 6430, 8036, 9002, 10045, 12860, 18004, 20090, 22505, 26363, 31507, 40180, 45010, 52726, 63014, 90020, 105452, 126028, 131815, 157535, 184541, 263630, 315070, 369082, 527260, 630140, 738164, 922705, 1291787, 1845410, 2583574, 3690820, 5167148, 6458935, 12917870, 25835740]

約数ペア:

[(1, 25835740), (2, 12917870), (4, 6458935), (5, 5167148), (7, 3690820), (10, 2583574), (14, 1845410), (20, 1291787), (28, 922705), (35, 738164), (41, 630140), (49, 527260), (70, 369082), (82, 315070), (98, 263630), (140, 184541), (164, 157535), (196, 131815), (205, 126028), (245, 105452), (287, 90020), (410, 63014), (490, 52726), (574, 45010), (643, 40180), (820, 31507), (980, 26363), (1148, 22505), (1286, 20090), (1435, 18004), (2009, 12860), (2572, 10045), (2870, 9002), (3215, 8036), (4018, 6430), (4501, 5740)]