51528800

素因数分解:

$2^5\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1571}}^1$

素因数の和:1632

約数の個数: 72

約数和(自身を含む): 128944872

約数和(自身を除く): 77416072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 80, 82, 100, 160, 164, 200, 205, 328, 400, 410, 656, 800, 820, 1025, 1312, 1571, 1640, 2050, 3142, 3280, 4100, 6284, 6560, 7855, 8200, 12568, 15710, 16400, 25136, 31420, 32800, 39275, 50272, 62840, 64411, 78550, 125680, 128822, 157100, 251360, 257644, 314200, 322055, 515288, 628400, 644110, 1030576, 1256800, 1288220, 1610275, 2061152, 2576440, 3220550, 5152880, 6441100, 10305760, 12882200, 25764400, 51528800]

約数ペア:

[(1, 51528800), (2, 25764400), (4, 12882200), (5, 10305760), (8, 6441100), (10, 5152880), (16, 3220550), (20, 2576440), (25, 2061152), (32, 1610275), (40, 1288220), (41, 1256800), (50, 1030576), (80, 644110), (82, 628400), (100, 515288), (160, 322055), (164, 314200), (200, 257644), (205, 251360), (328, 157100), (400, 128822), (410, 125680), (656, 78550), (800, 64411), (820, 62840), (1025, 50272), (1312, 39275), (1571, 32800), (1640, 31420), (2050, 25136), (3142, 16400), (3280, 15710), (4100, 12568), (6284, 8200), (6560, 7855)]