129749600

素因数分解:

$2^5\times 5^2\times {\mathrm{79}}^1\times {\mathrm{2053}}^1$

素因数の和:2152

約数の個数: 72

約数和(自身を含む): 320916960

約数和(自身を除く): 191167360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 79, 80, 100, 158, 160, 200, 316, 395, 400, 632, 790, 800, 1264, 1580, 1975, 2053, 2528, 3160, 3950, 4106, 6320, 7900, 8212, 10265, 12640, 15800, 16424, 20530, 31600, 32848, 41060, 51325, 63200, 65696, 82120, 102650, 162187, 164240, 205300, 324374, 328480, 410600, 648748, 810935, 821200, 1297496, 1621870, 1642400, 2594992, 3243740, 4054675, 5189984, 6487480, 8109350, 12974960, 16218700, 25949920, 32437400, 64874800, 129749600]

約数ペア:

[(1, 129749600), (2, 64874800), (4, 32437400), (5, 25949920), (8, 16218700), (10, 12974960), (16, 8109350), (20, 6487480), (25, 5189984), (32, 4054675), (40, 3243740), (50, 2594992), (79, 1642400), (80, 1621870), (100, 1297496), (158, 821200), (160, 810935), (200, 648748), (316, 410600), (395, 328480), (400, 324374), (632, 205300), (790, 164240), (800, 162187), (1264, 102650), (1580, 82120), (1975, 65696), (2053, 63200), (2528, 51325), (3160, 41060), (3950, 32848), (4106, 31600), (6320, 20530), (7900, 16424), (8212, 15800), (10265, 12640)]