808600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{311}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 2031120

約数和(自身を除く): 1222520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 311, 325, 520, 622, 650, 1244, 1300, 1555, 2488, 2600, 3110, 4043, 6220, 7775, 8086, 12440, 15550, 16172, 20215, 31100, 32344, 40430, 62200, 80860, 101075, 161720, 202150, 404300, 808600]

約数ペア:

[(1, 808600), (2, 404300), (4, 202150), (5, 161720), (8, 101075), (10, 80860), (13, 62200), (20, 40430), (25, 32344), (26, 31100), (40, 20215), (50, 16172), (52, 15550), (65, 12440), (100, 8086), (104, 7775), (130, 6220), (200, 4043), (260, 3110), (311, 2600), (325, 2488), (520, 1555), (622, 1300), (650, 1244)]