200647640

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{7753}}^1$

素因数の和:8411

約数の個数: 32

約数和(自身を含む): 452213280

約数和(自身を除く): 251565640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 2588, 3235, 5176, 6470, 7753, 12940, 15506, 25880, 31012, 38765, 62024, 77530, 155060, 310120, 5016191, 10032382, 20064764, 25080955, 40129528, 50161910, 100323820, 200647640]

約数ペア:

[(1, 200647640), (2, 100323820), (4, 50161910), (5, 40129528), (8, 25080955), (10, 20064764), (20, 10032382), (40, 5016191), (647, 310120), (1294, 155060), (2588, 77530), (3235, 62024), (5176, 38765), (6470, 31012), (7753, 25880), (12940, 15506)]