16423420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 38552976

約数和(自身を除く): 22129556

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 113, 130, 169, 172, 215, 226, 260, 338, 430, 452, 559, 565, 676, 845, 860, 1118, 1130, 1469, 1690, 2236, 2260, 2795, 2938, 3380, 4859, 5590, 5876, 7267, 7345, 9718, 11180, 14534, 14690, 19097, 19436, 24295, 29068, 29380, 36335, 38194, 48590, 63167, 72670, 76388, 95485, 97180, 126334, 145340, 190970, 252668, 315835, 381940, 631670, 821171, 1263340, 1642342, 3284684, 4105855, 8211710, 16423420]

約数ペア:

[(1, 16423420), (2, 8211710), (4, 4105855), (5, 3284684), (10, 1642342), (13, 1263340), (20, 821171), (26, 631670), (43, 381940), (52, 315835), (65, 252668), (86, 190970), (113, 145340), (130, 126334), (169, 97180), (172, 95485), (215, 76388), (226, 72670), (260, 63167), (338, 48590), (430, 38194), (452, 36335), (559, 29380), (565, 29068), (676, 24295), (845, 19436), (860, 19097), (1118, 14690), (1130, 14534), (1469, 11180), (1690, 9718), (2236, 7345), (2260, 7267), (2795, 5876), (2938, 5590), (3380, 4859)]