40119380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{563}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 96647040

約数和(自身を除く): 56527660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509, 563, 1018, 1126, 2036, 2252, 2545, 2815, 3563, 3941, 5090, 5630, 7126, 7882, 10180, 11260, 14252, 15764, 17815, 19705, 35630, 39410, 71260, 78820, 286567, 573134, 1146268, 1432835, 2005969, 2865670, 4011938, 5731340, 8023876, 10029845, 20059690, 40119380]

約数ペア:

[(1, 40119380), (2, 20059690), (4, 10029845), (5, 8023876), (7, 5731340), (10, 4011938), (14, 2865670), (20, 2005969), (28, 1432835), (35, 1146268), (70, 573134), (140, 286567), (509, 78820), (563, 71260), (1018, 39410), (1126, 35630), (2036, 19705), (2252, 17815), (2545, 15764), (2815, 14252), (3563, 11260), (3941, 10180), (5090, 7882), (5630, 7126)]