8912020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{227}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 20377728

約数和(自身を除く): 11465708

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 151, 227, 260, 302, 454, 604, 755, 908, 1135, 1510, 1963, 2270, 2951, 3020, 3926, 4540, 5902, 7852, 9815, 11804, 14755, 19630, 29510, 34277, 39260, 59020, 68554, 137108, 171385, 342770, 445601, 685540, 891202, 1782404, 2228005, 4456010, 8912020]

約数ペア:

[(1, 8912020), (2, 4456010), (4, 2228005), (5, 1782404), (10, 891202), (13, 685540), (20, 445601), (26, 342770), (52, 171385), (65, 137108), (130, 68554), (151, 59020), (227, 39260), (260, 34277), (302, 29510), (454, 19630), (604, 14755), (755, 11804), (908, 9815), (1135, 7852), (1510, 5902), (1963, 4540), (2270, 3926), (2951, 3020)]