26409160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{547}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 63918720

約数和(自身を除く): 37509560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 71, 85, 136, 142, 170, 284, 340, 355, 547, 568, 680, 710, 1094, 1207, 1420, 2188, 2414, 2735, 2840, 4376, 4828, 5470, 6035, 9299, 9656, 10940, 12070, 18598, 21880, 24140, 37196, 38837, 46495, 48280, 74392, 77674, 92990, 155348, 185980, 194185, 310696, 371960, 388370, 660229, 776740, 1320458, 1553480, 2640916, 3301145, 5281832, 6602290, 13204580, 26409160]

約数ペア:

[(1, 26409160), (2, 13204580), (4, 6602290), (5, 5281832), (8, 3301145), (10, 2640916), (17, 1553480), (20, 1320458), (34, 776740), (40, 660229), (68, 388370), (71, 371960), (85, 310696), (136, 194185), (142, 185980), (170, 155348), (284, 92990), (340, 77674), (355, 74392), (547, 48280), (568, 46495), (680, 38837), (710, 37196), (1094, 24140), (1207, 21880), (1420, 18598), (2188, 12070), (2414, 10940), (2735, 9656), (2840, 9299), (4376, 6035), (4828, 5470)]