854120

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 1948320

約数和(自身を除く): 1094200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 163, 262, 326, 524, 652, 655, 815, 1048, 1304, 1310, 1630, 2620, 3260, 5240, 6520, 21353, 42706, 85412, 106765, 170824, 213530, 427060, 854120]

約数ペア:

[(1, 854120), (2, 427060), (4, 213530), (5, 170824), (8, 106765), (10, 85412), (20, 42706), (40, 21353), (131, 6520), (163, 5240), (262, 3260), (326, 2620), (524, 1630), (652, 1310), (655, 1304), (815, 1048)]