42725020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1627}}^1$

素因数の和:1750

約数の個数: 48

約数和(自身を含む): 97640928

約数和(自身を除く): 54915908

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 202, 260, 404, 505, 1010, 1313, 1627, 2020, 2626, 3254, 5252, 6508, 6565, 8135, 13130, 16270, 21151, 26260, 32540, 42302, 84604, 105755, 164327, 211510, 328654, 423020, 657308, 821635, 1643270, 2136251, 3286540, 4272502, 8545004, 10681255, 21362510, 42725020]

約数ペア:

[(1, 42725020), (2, 21362510), (4, 10681255), (5, 8545004), (10, 4272502), (13, 3286540), (20, 2136251), (26, 1643270), (52, 821635), (65, 657308), (101, 423020), (130, 328654), (202, 211510), (260, 164327), (404, 105755), (505, 84604), (1010, 42302), (1313, 32540), (1627, 26260), (2020, 21151), (2626, 16270), (3254, 13130), (5252, 8135), (6508, 6565)]