26159480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 61395840

約数和(自身を除く): 35236360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 67, 86, 134, 172, 215, 227, 268, 335, 344, 430, 454, 536, 670, 860, 908, 1135, 1340, 1720, 1816, 2270, 2680, 2881, 4540, 5762, 9080, 9761, 11524, 14405, 15209, 19522, 23048, 28810, 30418, 39044, 48805, 57620, 60836, 76045, 78088, 97610, 115240, 121672, 152090, 195220, 304180, 390440, 608360, 653987, 1307974, 2615948, 3269935, 5231896, 6539870, 13079740, 26159480]

約数ペア:

[(1, 26159480), (2, 13079740), (4, 6539870), (5, 5231896), (8, 3269935), (10, 2615948), (20, 1307974), (40, 653987), (43, 608360), (67, 390440), (86, 304180), (134, 195220), (172, 152090), (215, 121672), (227, 115240), (268, 97610), (335, 78088), (344, 76045), (430, 60836), (454, 57620), (536, 48805), (670, 39044), (860, 30418), (908, 28810), (1135, 23048), (1340, 19522), (1720, 15209), (1816, 14405), (2270, 11524), (2680, 9761), (2881, 9080), (4540, 5762)]