40389580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26227}}^1$

素因数の和:26254

約数の個数: 48

約数和(自身を含む): 105751296

約数和(自身を除く): 65361716

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 26227, 52454, 104908, 131135, 183589, 262270, 288497, 367178, 524540, 576994, 734356, 917945, 1153988, 1442485, 1835890, 2019479, 2884970, 3671780, 4038958, 5769940, 8077916, 10097395, 20194790, 40389580]

約数ペア:

[(1, 40389580), (2, 20194790), (4, 10097395), (5, 8077916), (7, 5769940), (10, 4038958), (11, 3671780), (14, 2884970), (20, 2019479), (22, 1835890), (28, 1442485), (35, 1153988), (44, 917945), (55, 734356), (70, 576994), (77, 524540), (110, 367178), (140, 288497), (154, 262270), (220, 183589), (308, 131135), (385, 104908), (770, 52454), (1540, 26227)]