28147600

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{5413}}^1$

素因数の和:5444

約数の個数: 60

約数和(自身を含む): 72839956

約数和(自身を除く): 44692356

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 5413, 10826, 21652, 27065, 43304, 54130, 70369, 86608, 108260, 135325, 140738, 216520, 270650, 281476, 351845, 433040, 541300, 562952, 703690, 1082600, 1125904, 1407380, 1759225, 2165200, 2814760, 3518450, 5629520, 7036900, 14073800, 28147600]

約数ペア:

[(1, 28147600), (2, 14073800), (4, 7036900), (5, 5629520), (8, 3518450), (10, 2814760), (13, 2165200), (16, 1759225), (20, 1407380), (25, 1125904), (26, 1082600), (40, 703690), (50, 562952), (52, 541300), (65, 433040), (80, 351845), (100, 281476), (104, 270650), (130, 216520), (200, 140738), (208, 135325), (260, 108260), (325, 86608), (400, 70369), (520, 54130), (650, 43304), (1040, 27065), (1300, 21652), (2600, 10826), (5200, 5413)]