25020910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:313

約数の個数: 48

約数和(自身を含む): 49377600

約数和(自身を除く): 24356690

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 239, 290, 361, 478, 551, 722, 1102, 1195, 1805, 2390, 2755, 3610, 4541, 5510, 6931, 9082, 10469, 13862, 20938, 22705, 34655, 45410, 52345, 69310, 86279, 104690, 131689, 172558, 263378, 431395, 658445, 862790, 1316890, 2502091, 5004182, 12510455, 25020910]

約数ペア:

[(1, 25020910), (2, 12510455), (5, 5004182), (10, 2502091), (19, 1316890), (29, 862790), (38, 658445), (58, 431395), (95, 263378), (145, 172558), (190, 131689), (239, 104690), (290, 86279), (361, 69310), (478, 52345), (551, 45410), (722, 34655), (1102, 22705), (1195, 20938), (1805, 13862), (2390, 10469), (2755, 9082), (3610, 6931), (4541, 5510)]