6541340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 14982240

約数和(自身を除く): 8440900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 181, 260, 278, 362, 556, 695, 724, 905, 1390, 1807, 1810, 2353, 2780, 3614, 3620, 4706, 7228, 9035, 9412, 11765, 18070, 23530, 25159, 36140, 47060, 50318, 100636, 125795, 251590, 327067, 503180, 654134, 1308268, 1635335, 3270670, 6541340]

約数ペア:

[(1, 6541340), (2, 3270670), (4, 1635335), (5, 1308268), (10, 654134), (13, 503180), (20, 327067), (26, 251590), (52, 125795), (65, 100636), (130, 50318), (139, 47060), (181, 36140), (260, 25159), (278, 23530), (362, 18070), (556, 11765), (695, 9412), (724, 9035), (905, 7228), (1390, 4706), (1807, 3620), (1810, 3614), (2353, 2780)]