81714340

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{607}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 176504832

約数和(自身を除く): 94790492

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 127, 212, 254, 265, 508, 530, 607, 635, 1060, 1214, 1270, 2428, 2540, 3035, 6070, 6731, 12140, 13462, 26924, 32171, 33655, 64342, 67310, 77089, 128684, 134620, 154178, 160855, 308356, 321710, 385445, 643420, 770890, 1541780, 4085717, 8171434, 16342868, 20428585, 40857170, 81714340]

約数ペア:

[(1, 81714340), (2, 40857170), (4, 20428585), (5, 16342868), (10, 8171434), (20, 4085717), (53, 1541780), (106, 770890), (127, 643420), (212, 385445), (254, 321710), (265, 308356), (508, 160855), (530, 154178), (607, 134620), (635, 128684), (1060, 77089), (1214, 67310), (1270, 64342), (2428, 33655), (2540, 32171), (3035, 26924), (6070, 13462), (6731, 12140)]