25425160

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 59486400

約数和(自身を除く): 34061240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 67, 106, 134, 179, 212, 265, 268, 335, 358, 424, 530, 536, 670, 716, 895, 1060, 1340, 1432, 1790, 2120, 2680, 3551, 3580, 7102, 7160, 9487, 11993, 14204, 17755, 18974, 23986, 28408, 35510, 37948, 47435, 47972, 59965, 71020, 75896, 94870, 95944, 119930, 142040, 189740, 239860, 379480, 479720, 635629, 1271258, 2542516, 3178145, 5085032, 6356290, 12712580, 25425160]

約数ペア:

[(1, 25425160), (2, 12712580), (4, 6356290), (5, 5085032), (8, 3178145), (10, 2542516), (20, 1271258), (40, 635629), (53, 479720), (67, 379480), (106, 239860), (134, 189740), (179, 142040), (212, 119930), (265, 95944), (268, 94870), (335, 75896), (358, 71020), (424, 59965), (530, 47972), (536, 47435), (670, 37948), (716, 35510), (895, 28408), (1060, 23986), (1340, 18974), (1432, 17755), (1790, 14204), (2120, 11993), (2680, 9487), (3551, 7160), (3580, 7102)]