4083820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 9384480

約数和(自身を除く): 5300660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 113, 130, 139, 226, 260, 278, 452, 556, 565, 695, 1130, 1390, 1469, 1807, 2260, 2780, 2938, 3614, 5876, 7228, 7345, 9035, 14690, 15707, 18070, 29380, 31414, 36140, 62828, 78535, 157070, 204191, 314140, 408382, 816764, 1020955, 2041910, 4083820]

約数ペア:

[(1, 4083820), (2, 2041910), (4, 1020955), (5, 816764), (10, 408382), (13, 314140), (20, 204191), (26, 157070), (52, 78535), (65, 62828), (113, 36140), (130, 31414), (139, 29380), (226, 18070), (260, 15707), (278, 14690), (452, 9035), (556, 7345), (565, 7228), (695, 5876), (1130, 3614), (1390, 2938), (1469, 2780), (1807, 2260)]