52965680

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:318

約数の個数: 80

約数和(自身を含む): 128161440

約数和(自身を除く): 75195760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 89, 172, 173, 178, 215, 344, 346, 356, 430, 445, 688, 692, 712, 860, 865, 890, 1384, 1424, 1720, 1730, 1780, 2768, 3440, 3460, 3560, 3827, 6920, 7120, 7439, 7654, 13840, 14878, 15308, 15397, 19135, 29756, 30616, 30794, 37195, 38270, 59512, 61232, 61588, 74390, 76540, 76985, 119024, 123176, 148780, 153080, 153970, 246352, 297560, 306160, 307940, 595120, 615880, 662071, 1231760, 1324142, 2648284, 3310355, 5296568, 6620710, 10593136, 13241420, 26482840, 52965680]

約数ペア:

[(1, 52965680), (2, 26482840), (4, 13241420), (5, 10593136), (8, 6620710), (10, 5296568), (16, 3310355), (20, 2648284), (40, 1324142), (43, 1231760), (80, 662071), (86, 615880), (89, 595120), (172, 307940), (173, 306160), (178, 297560), (215, 246352), (344, 153970), (346, 153080), (356, 148780), (430, 123176), (445, 119024), (688, 76985), (692, 76540), (712, 74390), (860, 61588), (865, 61232), (890, 59512), (1384, 38270), (1424, 37195), (1720, 30794), (1730, 30616), (1780, 29756), (2768, 19135), (3440, 15397), (3460, 15308), (3560, 14878), (3827, 13840), (6920, 7654), (7120, 7439)]