1803880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3469}}^1$

素因数の和:3493

約数の個数: 32

約数和(自身を含む): 4372200

約数和(自身を除く): 2568320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3469, 6938, 13876, 17345, 27752, 34690, 45097, 69380, 90194, 138760, 180388, 225485, 360776, 450970, 901940, 1803880]

約数ペア:

[(1, 1803880), (2, 901940), (4, 450970), (5, 360776), (8, 225485), (10, 180388), (13, 138760), (20, 90194), (26, 69380), (40, 45097), (52, 34690), (65, 27752), (104, 17345), (130, 13876), (260, 6938), (520, 3469)]