25430020

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{337}}^1$

素因数の和:378

約数の個数: 96

約数和(自身を含む): 68140800

約数和(自身を除く): 42710780

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 337, 343, 385, 490, 539, 674, 686, 770, 980, 1078, 1348, 1372, 1540, 1685, 1715, 2156, 2359, 2695, 3370, 3430, 3707, 3773, 4718, 5390, 6740, 6860, 7414, 7546, 9436, 10780, 11795, 14828, 15092, 16513, 18535, 18865, 23590, 25949, 33026, 37070, 37730, 47180, 51898, 66052, 74140, 75460, 82565, 103796, 115591, 129745, 165130, 181643, 231182, 259490, 330260, 363286, 462364, 518980, 577955, 726572, 908215, 1155910, 1271501, 1816430, 2311820, 2543002, 3632860, 5086004, 6357505, 12715010, 25430020]

約数ペア:

[(1, 25430020), (2, 12715010), (4, 6357505), (5, 5086004), (7, 3632860), (10, 2543002), (11, 2311820), (14, 1816430), (20, 1271501), (22, 1155910), (28, 908215), (35, 726572), (44, 577955), (49, 518980), (55, 462364), (70, 363286), (77, 330260), (98, 259490), (110, 231182), (140, 181643), (154, 165130), (196, 129745), (220, 115591), (245, 103796), (308, 82565), (337, 75460), (343, 74140), (385, 66052), (490, 51898), (539, 47180), (674, 37730), (686, 37070), (770, 33026), (980, 25949), (1078, 23590), (1348, 18865), (1372, 18535), (1540, 16513), (1685, 15092), (1715, 14828), (2156, 11795), (2359, 10780), (2695, 9436), (3370, 7546), (3430, 7414), (3707, 6860), (3773, 6740), (4718, 5390)]