80994550

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2543}}^1$

素因数の和:2582

約数の個数: 72

約数和(自身を含む): 188800416

約数和(自身を除く): 107805866

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 49, 50, 65, 70, 91, 98, 130, 175, 182, 245, 325, 350, 455, 490, 637, 650, 910, 1225, 1274, 2275, 2450, 2543, 3185, 4550, 5086, 6370, 12715, 15925, 17801, 25430, 31850, 33059, 35602, 63575, 66118, 89005, 124607, 127150, 165295, 178010, 231413, 249214, 330590, 445025, 462826, 623035, 826475, 890050, 1157065, 1246070, 1619891, 1652950, 2314130, 3115175, 3239782, 5785325, 6230350, 8099455, 11570650, 16198910, 40497275, 80994550]

約数ペア:

[(1, 80994550), (2, 40497275), (5, 16198910), (7, 11570650), (10, 8099455), (13, 6230350), (14, 5785325), (25, 3239782), (26, 3115175), (35, 2314130), (49, 1652950), (50, 1619891), (65, 1246070), (70, 1157065), (91, 890050), (98, 826475), (130, 623035), (175, 462826), (182, 445025), (245, 330590), (325, 249214), (350, 231413), (455, 178010), (490, 165295), (637, 127150), (650, 124607), (910, 89005), (1225, 66118), (1274, 63575), (2275, 35602), (2450, 33059), (2543, 31850), (3185, 25430), (4550, 17801), (5086, 15925), (6370, 12715)]