26539940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{647}}^1$

素因数の和:956

約数の個数: 48

約数和(自身を含む): 64012032

約数和(自身を除く): 37472092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 293, 586, 647, 1172, 1294, 1465, 2051, 2588, 2930, 3235, 4102, 4529, 5860, 6470, 8204, 9058, 10255, 12940, 18116, 20510, 22645, 41020, 45290, 90580, 189571, 379142, 758284, 947855, 1326997, 1895710, 2653994, 3791420, 5307988, 6634985, 13269970, 26539940]

約数ペア:

[(1, 26539940), (2, 13269970), (4, 6634985), (5, 5307988), (7, 3791420), (10, 2653994), (14, 1895710), (20, 1326997), (28, 947855), (35, 758284), (70, 379142), (140, 189571), (293, 90580), (586, 45290), (647, 41020), (1172, 22645), (1294, 20510), (1465, 18116), (2051, 12940), (2588, 10255), (2930, 9058), (3235, 8204), (4102, 6470), (4529, 5860)]