1708240

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:307

約数の個数: 40

約数和(自身を含む): 4026528

約数和(自身を除く): 2318288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 163, 262, 326, 524, 652, 655, 815, 1048, 1304, 1310, 1630, 2096, 2608, 2620, 3260, 5240, 6520, 10480, 13040, 21353, 42706, 85412, 106765, 170824, 213530, 341648, 427060, 854120, 1708240]

約数ペア:

[(1, 1708240), (2, 854120), (4, 427060), (5, 341648), (8, 213530), (10, 170824), (16, 106765), (20, 85412), (40, 42706), (80, 21353), (131, 13040), (163, 10480), (262, 6520), (326, 5240), (524, 3260), (652, 2620), (655, 2608), (815, 2096), (1048, 1630), (1304, 1310)]