25241860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{599}}^1$

素因数の和:665

約数の個数: 72

約数和(自身を含む): 63201600

約数和(自身を除く): 37959740

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, 599, 602, 860, 980, 1198, 1204, 1505, 2107, 2396, 2995, 3010, 4193, 4214, 5990, 6020, 8386, 8428, 10535, 11980, 16772, 20965, 21070, 25757, 29351, 41930, 42140, 51514, 58702, 83860, 103028, 117404, 128785, 146755, 180299, 257570, 293510, 360598, 515140, 587020, 721196, 901495, 1262093, 1802990, 2524186, 3605980, 5048372, 6310465, 12620930, 25241860]

約数ペア:

[(1, 25241860), (2, 12620930), (4, 6310465), (5, 5048372), (7, 3605980), (10, 2524186), (14, 1802990), (20, 1262093), (28, 901495), (35, 721196), (43, 587020), (49, 515140), (70, 360598), (86, 293510), (98, 257570), (140, 180299), (172, 146755), (196, 128785), (215, 117404), (245, 103028), (301, 83860), (430, 58702), (490, 51514), (599, 42140), (602, 41930), (860, 29351), (980, 25757), (1198, 21070), (1204, 20965), (1505, 16772), (2107, 11980), (2396, 10535), (2995, 8428), (3010, 8386), (4193, 6020), (4214, 5990)]