77237840

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{3671}}^1$

素因数の和:3947

約数の個数: 40

約数和(自身を含む): 180309888

約数和(自身を除く): 103072048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 1052, 1315, 2104, 2630, 3671, 4208, 5260, 7342, 10520, 14684, 18355, 21040, 29368, 36710, 58736, 73420, 146840, 293680, 965473, 1930946, 3861892, 4827365, 7723784, 9654730, 15447568, 19309460, 38618920, 77237840]

約数ペア:

[(1, 77237840), (2, 38618920), (4, 19309460), (5, 15447568), (8, 9654730), (10, 7723784), (16, 4827365), (20, 3861892), (40, 1930946), (80, 965473), (263, 293680), (526, 146840), (1052, 73420), (1315, 58736), (2104, 36710), (2630, 29368), (3671, 21040), (4208, 18355), (5260, 14684), (7342, 10520)]