80582840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{439}}^1$

素因数の和:816

約数の個数: 64

約数和(自身を含む): 196257600

約数和(自身を除く): 115674760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 353, 439, 520, 706, 878, 1412, 1756, 1765, 2195, 2824, 3512, 3530, 4390, 4589, 5707, 7060, 8780, 9178, 11414, 14120, 17560, 18356, 22828, 22945, 28535, 36712, 45656, 45890, 57070, 91780, 114140, 154967, 183560, 228280, 309934, 619868, 774835, 1239736, 1549670, 2014571, 3099340, 4029142, 6198680, 8058284, 10072855, 16116568, 20145710, 40291420, 80582840]

約数ペア:

[(1, 80582840), (2, 40291420), (4, 20145710), (5, 16116568), (8, 10072855), (10, 8058284), (13, 6198680), (20, 4029142), (26, 3099340), (40, 2014571), (52, 1549670), (65, 1239736), (104, 774835), (130, 619868), (260, 309934), (353, 228280), (439, 183560), (520, 154967), (706, 114140), (878, 91780), (1412, 57070), (1756, 45890), (1765, 45656), (2195, 36712), (2824, 28535), (3512, 22945), (3530, 22828), (4390, 18356), (4589, 17560), (5707, 14120), (7060, 11414), (8780, 9178)]