25872040

素因数分解:

$2^3\times 5^1\times {\mathrm{683}}^1\times {\mathrm{947}}^1$

素因数の和:1641

約数の個数: 32

約数和(自身を含む): 58358880

約数和(自身を除く): 32486840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 683, 947, 1366, 1894, 2732, 3415, 3788, 4735, 5464, 6830, 7576, 9470, 13660, 18940, 27320, 37880, 646801, 1293602, 2587204, 3234005, 5174408, 6468010, 12936020, 25872040]

約数ペア:

[(1, 25872040), (2, 12936020), (4, 6468010), (5, 5174408), (8, 3234005), (10, 2587204), (20, 1293602), (40, 646801), (683, 37880), (947, 27320), (1366, 18940), (1894, 13660), (2732, 9470), (3415, 7576), (3788, 6830), (4735, 5464)]