79398800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{15269}}^1$

素因数の和:15300

約数の個数: 60

約数和(自身を含む): 205442580

約数和(自身を除く): 126043780

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, 15269, 30538, 61076, 76345, 122152, 152690, 198497, 244304, 305380, 381725, 396994, 610760, 763450, 793988, 992485, 1221520, 1526900, 1587976, 1984970, 3053800, 3175952, 3969940, 4962425, 6107600, 7939880, 9924850, 15879760, 19849700, 39699400, 79398800]

約数ペア:

[(1, 79398800), (2, 39699400), (4, 19849700), (5, 15879760), (8, 9924850), (10, 7939880), (13, 6107600), (16, 4962425), (20, 3969940), (25, 3175952), (26, 3053800), (40, 1984970), (50, 1587976), (52, 1526900), (65, 1221520), (80, 992485), (100, 793988), (104, 763450), (130, 610760), (200, 396994), (208, 381725), (260, 305380), (325, 244304), (400, 198497), (520, 152690), (650, 122152), (1040, 76345), (1300, 61076), (2600, 30538), (5200, 15269)]