51091820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 122266368

約数和(自身を除く): 71174548

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 47, 52, 65, 74, 94, 113, 130, 148, 185, 188, 226, 235, 260, 370, 452, 470, 481, 565, 611, 740, 940, 962, 1130, 1222, 1469, 1739, 1924, 2260, 2405, 2444, 2938, 3055, 3478, 4181, 4810, 5311, 5876, 6110, 6956, 7345, 8362, 8695, 9620, 10622, 12220, 14690, 16724, 17390, 20905, 21244, 22607, 26555, 29380, 34780, 41810, 45214, 53110, 54353, 69043, 83620, 90428, 106220, 108706, 113035, 138086, 196507, 217412, 226070, 271765, 276172, 345215, 393014, 452140, 543530, 690430, 786028, 982535, 1087060, 1380860, 1965070, 2554591, 3930140, 5109182, 10218364, 12772955, 25545910, 51091820]

約数ペア:

[(1, 51091820), (2, 25545910), (4, 12772955), (5, 10218364), (10, 5109182), (13, 3930140), (20, 2554591), (26, 1965070), (37, 1380860), (47, 1087060), (52, 982535), (65, 786028), (74, 690430), (94, 543530), (113, 452140), (130, 393014), (148, 345215), (185, 276172), (188, 271765), (226, 226070), (235, 217412), (260, 196507), (370, 138086), (452, 113035), (470, 108706), (481, 106220), (565, 90428), (611, 83620), (740, 69043), (940, 54353), (962, 53110), (1130, 45214), (1222, 41810), (1469, 34780), (1739, 29380), (1924, 26555), (2260, 22607), (2405, 21244), (2444, 20905), (2938, 17390), (3055, 16724), (3478, 14690), (4181, 12220), (4810, 10622), (5311, 9620), (5876, 8695), (6110, 8362), (6956, 7345)]