2016164020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{76777}}^1$

素因数の和:76900

約数の個数: 48

約数和(自身を含む): 4604837328

約数和(自身を除く): 2588673308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 202, 260, 404, 505, 1010, 1313, 2020, 2626, 5252, 6565, 13130, 26260, 76777, 153554, 307108, 383885, 767770, 998101, 1535540, 1996202, 3992404, 4990505, 7754477, 9981010, 15508954, 19962020, 31017908, 38772385, 77544770, 100808201, 155089540, 201616402, 403232804, 504041005, 1008082010, 2016164020]

約数ペア:

[(1, 2016164020), (2, 1008082010), (4, 504041005), (5, 403232804), (10, 201616402), (13, 155089540), (20, 100808201), (26, 77544770), (52, 38772385), (65, 31017908), (101, 19962020), (130, 15508954), (202, 9981010), (260, 7754477), (404, 4990505), (505, 3992404), (1010, 1996202), (1313, 1535540), (2020, 998101), (2626, 767770), (5252, 383885), (6565, 307108), (13130, 153554), (26260, 76777)]