25507120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:302

約数の個数: 80

約数和(自身を含む): 63433440

約数和(自身を除く): 37926320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 97, 152, 173, 190, 194, 304, 346, 380, 388, 485, 692, 760, 776, 865, 970, 1384, 1520, 1552, 1730, 1843, 1940, 2768, 3287, 3460, 3686, 3880, 6574, 6920, 7372, 7760, 9215, 13148, 13840, 14744, 16435, 16781, 18430, 26296, 29488, 32870, 33562, 36860, 52592, 65740, 67124, 73720, 83905, 131480, 134248, 147440, 167810, 262960, 268496, 318839, 335620, 637678, 671240, 1275356, 1342480, 1594195, 2550712, 3188390, 5101424, 6376780, 12753560, 25507120]

約数ペア:

[(1, 25507120), (2, 12753560), (4, 6376780), (5, 5101424), (8, 3188390), (10, 2550712), (16, 1594195), (19, 1342480), (20, 1275356), (38, 671240), (40, 637678), (76, 335620), (80, 318839), (95, 268496), (97, 262960), (152, 167810), (173, 147440), (190, 134248), (194, 131480), (304, 83905), (346, 73720), (380, 67124), (388, 65740), (485, 52592), (692, 36860), (760, 33562), (776, 32870), (865, 29488), (970, 26296), (1384, 18430), (1520, 16781), (1552, 16435), (1730, 14744), (1843, 13840), (1940, 13148), (2768, 9215), (3287, 7760), (3460, 7372), (3686, 6920), (3880, 6574)]