7997600

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{769}}^1$

素因数の和:802

約数の個数: 72

約数和(自身を含む): 21053340

約数和(自身を除く): 13055740

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, 769, 800, 1040, 1300, 1538, 2080, 2600, 3076, 3845, 5200, 6152, 7690, 9997, 10400, 12304, 15380, 19225, 19994, 24608, 30760, 38450, 39988, 49985, 61520, 76900, 79976, 99970, 123040, 153800, 159952, 199940, 249925, 307600, 319904, 399880, 499850, 615200, 799760, 999700, 1599520, 1999400, 3998800, 7997600]

約数ペア:

[(1, 7997600), (2, 3998800), (4, 1999400), (5, 1599520), (8, 999700), (10, 799760), (13, 615200), (16, 499850), (20, 399880), (25, 319904), (26, 307600), (32, 249925), (40, 199940), (50, 159952), (52, 153800), (65, 123040), (80, 99970), (100, 79976), (104, 76900), (130, 61520), (160, 49985), (200, 39988), (208, 38450), (260, 30760), (325, 24608), (400, 19994), (416, 19225), (520, 15380), (650, 12304), (769, 10400), (800, 9997), (1040, 7690), (1300, 6152), (1538, 5200), (2080, 3845), (2600, 3076)]