51367240

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 119750400

約数和(自身を除く): 68383160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 89, 94, 178, 188, 235, 307, 356, 376, 445, 470, 614, 712, 890, 940, 1228, 1535, 1780, 1880, 2456, 3070, 3560, 4183, 6140, 8366, 12280, 14429, 16732, 20915, 27323, 28858, 33464, 41830, 54646, 57716, 72145, 83660, 109292, 115432, 136615, 144290, 167320, 218584, 273230, 288580, 546460, 577160, 1092920, 1284181, 2568362, 5136724, 6420905, 10273448, 12841810, 25683620, 51367240]

約数ペア:

[(1, 51367240), (2, 25683620), (4, 12841810), (5, 10273448), (8, 6420905), (10, 5136724), (20, 2568362), (40, 1284181), (47, 1092920), (89, 577160), (94, 546460), (178, 288580), (188, 273230), (235, 218584), (307, 167320), (356, 144290), (376, 136615), (445, 115432), (470, 109292), (614, 83660), (712, 72145), (890, 57716), (940, 54646), (1228, 41830), (1535, 33464), (1780, 28858), (1880, 27323), (2456, 20915), (3070, 16732), (3560, 14429), (4183, 12280), (6140, 8366)]