85566380

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{907}}^1$

素因数の和:1058

約数の個数: 48

約数和(自身を含む): 185340960

約数和(自身を除く): 99774580

約数列:

[1, 2, 4, 5, 10, 20, 53, 89, 106, 178, 212, 265, 356, 445, 530, 890, 907, 1060, 1780, 1814, 3628, 4535, 4717, 9070, 9434, 18140, 18868, 23585, 47170, 48071, 80723, 94340, 96142, 161446, 192284, 240355, 322892, 403615, 480710, 807230, 961420, 1614460, 4278319, 8556638, 17113276, 21391595, 42783190, 85566380]

約数ペア:

[(1, 85566380), (2, 42783190), (4, 21391595), (5, 17113276), (10, 8556638), (20, 4278319), (53, 1614460), (89, 961420), (106, 807230), (178, 480710), (212, 403615), (265, 322892), (356, 240355), (445, 192284), (530, 161446), (890, 96142), (907, 94340), (1060, 80723), (1780, 48071), (1814, 47170), (3628, 23585), (4535, 18868), (4717, 18140), (9070, 9434)]