66929980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1879}}^1$

素因数の和:2038

約数の個数: 48

約数和(自身を含む): 152550720

約数和(自身を除く): 85620740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 260, 274, 548, 685, 1370, 1781, 1879, 2740, 3562, 3758, 7124, 7516, 8905, 9395, 17810, 18790, 24427, 35620, 37580, 48854, 97708, 122135, 244270, 257423, 488540, 514846, 1029692, 1287115, 2574230, 3346499, 5148460, 6692998, 13385996, 16732495, 33464990, 66929980]

約数ペア:

[(1, 66929980), (2, 33464990), (4, 16732495), (5, 13385996), (10, 6692998), (13, 5148460), (20, 3346499), (26, 2574230), (52, 1287115), (65, 1029692), (130, 514846), (137, 488540), (260, 257423), (274, 244270), (548, 122135), (685, 97708), (1370, 48854), (1781, 37580), (1879, 35620), (2740, 24427), (3562, 18790), (3758, 17810), (7124, 9395), (7516, 8905)]