25326140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{601}}^1$

素因数の和:667

約数の個数: 72

約数和(自身を含む): 63412272

約数和(自身を除く): 38086132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 601, 602, 860, 980, 1202, 1204, 1505, 2107, 2404, 3005, 3010, 4207, 4214, 6010, 6020, 8414, 8428, 10535, 12020, 16828, 21035, 21070, 25843, 29449, 42070, 42140, 51686, 58898, 84140, 103372, 117796, 129215, 147245, 180901, 258430, 294490, 361802, 516860, 588980, 723604, 904505, 1266307, 1809010, 2532614, 3618020, 5065228, 6331535, 12663070, 25326140]

約数ペア:

[(1, 25326140), (2, 12663070), (4, 6331535), (5, 5065228), (7, 3618020), (10, 2532614), (14, 1809010), (20, 1266307), (28, 904505), (35, 723604), (43, 588980), (49, 516860), (70, 361802), (86, 294490), (98, 258430), (140, 180901), (172, 147245), (196, 129215), (215, 117796), (245, 103372), (301, 84140), (430, 58898), (490, 51686), (601, 42140), (602, 42070), (860, 29449), (980, 25843), (1202, 21070), (1204, 21035), (1505, 16828), (2107, 12020), (2404, 10535), (3005, 8428), (3010, 8414), (4207, 6020), (4214, 6010)]