26143280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:486

約数の個数: 80

約数和(自身を含む): 65888640

約数和(自身を除く): 39745360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 47, 68, 80, 85, 94, 136, 170, 188, 235, 272, 340, 376, 409, 470, 680, 752, 799, 818, 940, 1360, 1598, 1636, 1880, 2045, 3196, 3272, 3760, 3995, 4090, 6392, 6544, 6953, 7990, 8180, 12784, 13906, 15980, 16360, 19223, 27812, 31960, 32720, 34765, 38446, 55624, 63920, 69530, 76892, 96115, 111248, 139060, 153784, 192230, 278120, 307568, 326791, 384460, 556240, 653582, 768920, 1307164, 1537840, 1633955, 2614328, 3267910, 5228656, 6535820, 13071640, 26143280]

約数ペア:

[(1, 26143280), (2, 13071640), (4, 6535820), (5, 5228656), (8, 3267910), (10, 2614328), (16, 1633955), (17, 1537840), (20, 1307164), (34, 768920), (40, 653582), (47, 556240), (68, 384460), (80, 326791), (85, 307568), (94, 278120), (136, 192230), (170, 153784), (188, 139060), (235, 111248), (272, 96115), (340, 76892), (376, 69530), (409, 63920), (470, 55624), (680, 38446), (752, 34765), (799, 32720), (818, 31960), (940, 27812), (1360, 19223), (1598, 16360), (1636, 15980), (1880, 13906), (2045, 12784), (3196, 8180), (3272, 7990), (3760, 6953), (3995, 6544), (4090, 6392)]