81930400

素因数分解:

$2^5\times 5^2\times {\mathrm{47}}^1\times {\mathrm{2179}}^1$

素因数の和:2246

約数の個数: 72

約数和(自身を含む): 204361920

約数和(自身を除く): 122431520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 47, 50, 80, 94, 100, 160, 188, 200, 235, 376, 400, 470, 752, 800, 940, 1175, 1504, 1880, 2179, 2350, 3760, 4358, 4700, 7520, 8716, 9400, 10895, 17432, 18800, 21790, 34864, 37600, 43580, 54475, 69728, 87160, 102413, 108950, 174320, 204826, 217900, 348640, 409652, 435800, 512065, 819304, 871600, 1024130, 1638608, 1743200, 2048260, 2560325, 3277216, 4096520, 5120650, 8193040, 10241300, 16386080, 20482600, 40965200, 81930400]

約数ペア:

[(1, 81930400), (2, 40965200), (4, 20482600), (5, 16386080), (8, 10241300), (10, 8193040), (16, 5120650), (20, 4096520), (25, 3277216), (32, 2560325), (40, 2048260), (47, 1743200), (50, 1638608), (80, 1024130), (94, 871600), (100, 819304), (160, 512065), (188, 435800), (200, 409652), (235, 348640), (376, 217900), (400, 204826), (470, 174320), (752, 108950), (800, 102413), (940, 87160), (1175, 69728), (1504, 54475), (1880, 43580), (2179, 37600), (2350, 34864), (3760, 21790), (4358, 18800), (4700, 17432), (7520, 10895), (8716, 9400)]