89321440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{42943}}^1$

素因数の和:42971

約数の個数: 48

約数和(自身を含む): 227259648

約数和(自身を除く): 137938208

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 42943, 85886, 171772, 214715, 343544, 429430, 558259, 687088, 858860, 1116518, 1374176, 1717720, 2233036, 2791295, 3435440, 4466072, 5582590, 6870880, 8932144, 11165180, 17864288, 22330360, 44660720, 89321440]

約数ペア:

[(1, 89321440), (2, 44660720), (4, 22330360), (5, 17864288), (8, 11165180), (10, 8932144), (13, 6870880), (16, 5582590), (20, 4466072), (26, 3435440), (32, 2791295), (40, 2233036), (52, 1717720), (65, 1374176), (80, 1116518), (104, 858860), (130, 687088), (160, 558259), (208, 429430), (260, 343544), (416, 214715), (520, 171772), (1040, 85886), (2080, 42943)]