20170469500

素因数分解:

$2^2\times 5^3\times {\mathrm{1279}}^1\times {\mathrm{31541}}^1$

素因数の和:32839

約数の個数: 48

約数和(自身を含む): 44088145920

約数和(自身を除く): 23917676420

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 1279, 2558, 5116, 6395, 12790, 25580, 31541, 31975, 63082, 63950, 126164, 127900, 157705, 159875, 315410, 319750, 630820, 639500, 788525, 1577050, 3154100, 3942625, 7885250, 15770500, 40340939, 80681878, 161363756, 201704695, 403409390, 806818780, 1008523475, 2017046950, 4034093900, 5042617375, 10085234750, 20170469500]

約数ペア:

[(1, 20170469500), (2, 10085234750), (4, 5042617375), (5, 4034093900), (10, 2017046950), (20, 1008523475), (25, 806818780), (50, 403409390), (100, 201704695), (125, 161363756), (250, 80681878), (500, 40340939), (1279, 15770500), (2558, 7885250), (5116, 3942625), (6395, 3154100), (12790, 1577050), (25580, 788525), (31541, 639500), (31975, 630820), (63082, 319750), (63950, 315410), (126164, 159875), (127900, 157705)]