19893200

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1213}}^1$

素因数の和:1272

約数の個数: 60

約数和(自身を含む): 48999468

約数和(自身を除く): 29106268

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 164, 200, 205, 328, 400, 410, 656, 820, 1025, 1213, 1640, 2050, 2426, 3280, 4100, 4852, 6065, 8200, 9704, 12130, 16400, 19408, 24260, 30325, 48520, 49733, 60650, 97040, 99466, 121300, 198932, 242600, 248665, 397864, 485200, 497330, 795728, 994660, 1243325, 1989320, 2486650, 3978640, 4973300, 9946600, 19893200]

約数ペア:

[(1, 19893200), (2, 9946600), (4, 4973300), (5, 3978640), (8, 2486650), (10, 1989320), (16, 1243325), (20, 994660), (25, 795728), (40, 497330), (41, 485200), (50, 397864), (80, 248665), (82, 242600), (100, 198932), (164, 121300), (200, 99466), (205, 97040), (328, 60650), (400, 49733), (410, 48520), (656, 30325), (820, 24260), (1025, 19408), (1213, 16400), (1640, 12130), (2050, 9704), (2426, 8200), (3280, 6065), (4100, 4852)]