26396860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{461}}^1$

素因数の和:886

約数の個数: 48

約数和(自身を含む): 63645120

約数和(自身を除く): 37248260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 409, 461, 818, 922, 1636, 1844, 2045, 2305, 2863, 3227, 4090, 4610, 5726, 6454, 8180, 9220, 11452, 12908, 14315, 16135, 28630, 32270, 57260, 64540, 188549, 377098, 754196, 942745, 1319843, 1885490, 2639686, 3770980, 5279372, 6599215, 13198430, 26396860]

約数ペア:

[(1, 26396860), (2, 13198430), (4, 6599215), (5, 5279372), (7, 3770980), (10, 2639686), (14, 1885490), (20, 1319843), (28, 942745), (35, 754196), (70, 377098), (140, 188549), (409, 64540), (461, 57260), (818, 32270), (922, 28630), (1636, 16135), (1844, 14315), (2045, 12908), (2305, 11452), (2863, 9220), (3227, 8180), (4090, 6454), (4610, 5726)]