19895200

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1913}}^1$

素因数の和:1946

約数の個数: 72

約数和(自身を含む): 52332588

約数和(自身を除く): 32437388

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 1913, 2080, 2600, 3826, 5200, 7652, 9565, 10400, 15304, 19130, 24869, 30608, 38260, 47825, 49738, 61216, 76520, 95650, 99476, 124345, 153040, 191300, 198952, 248690, 306080, 382600, 397904, 497380, 621725, 765200, 795808, 994760, 1243450, 1530400, 1989520, 2486900, 3979040, 4973800, 9947600, 19895200]

約数ペア:

[(1, 19895200), (2, 9947600), (4, 4973800), (5, 3979040), (8, 2486900), (10, 1989520), (13, 1530400), (16, 1243450), (20, 994760), (25, 795808), (26, 765200), (32, 621725), (40, 497380), (50, 397904), (52, 382600), (65, 306080), (80, 248690), (100, 198952), (104, 191300), (130, 153040), (160, 124345), (200, 99476), (208, 95650), (260, 76520), (325, 61216), (400, 49738), (416, 47825), (520, 38260), (650, 30608), (800, 24869), (1040, 19130), (1300, 15304), (1913, 10400), (2080, 9565), (2600, 7652), (3826, 5200)]