620254120

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{95131}}^1$

素因数の和:95305

約数の個数: 32

約数和(自身を含む): 1404148320

約数和(自身を除く): 783894200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 95131, 190262, 380524, 475655, 761048, 951310, 1902620, 3805240, 15506353, 31012706, 62025412, 77531765, 124050824, 155063530, 310127060, 620254120]

約数ペア:

[(1, 620254120), (2, 310127060), (4, 155063530), (5, 124050824), (8, 77531765), (10, 62025412), (20, 31012706), (40, 15506353), (163, 3805240), (326, 1902620), (652, 951310), (815, 761048), (1304, 475655), (1630, 380524), (3260, 190262), (6520, 95131)]