2064800

素因数分解:

$2^5\times 5^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:138

約数の個数: 72

約数和(自身を含む): 5273100

約数和(自身を除く): 3208300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 80, 89, 100, 116, 145, 160, 178, 200, 232, 290, 356, 400, 445, 464, 580, 712, 725, 800, 890, 928, 1160, 1424, 1450, 1780, 2225, 2320, 2581, 2848, 2900, 3560, 4450, 4640, 5162, 5800, 7120, 8900, 10324, 11600, 12905, 14240, 17800, 20648, 23200, 25810, 35600, 41296, 51620, 64525, 71200, 82592, 103240, 129050, 206480, 258100, 412960, 516200, 1032400, 2064800]

約数ペア:

[(1, 2064800), (2, 1032400), (4, 516200), (5, 412960), (8, 258100), (10, 206480), (16, 129050), (20, 103240), (25, 82592), (29, 71200), (32, 64525), (40, 51620), (50, 41296), (58, 35600), (80, 25810), (89, 23200), (100, 20648), (116, 17800), (145, 14240), (160, 12905), (178, 11600), (200, 10324), (232, 8900), (290, 7120), (356, 5800), (400, 5162), (445, 4640), (464, 4450), (580, 3560), (712, 2900), (725, 2848), (800, 2581), (890, 2320), (928, 2225), (1160, 1780), (1424, 1450)]