81053600

素因数分解:

$2^5\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1427}}^1$

素因数の和:1518

約数の個数: 72

約数和(自身を含む): 200799648

約数和(自身を除く): 119746048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 71, 80, 100, 142, 160, 200, 284, 355, 400, 568, 710, 800, 1136, 1420, 1427, 1775, 2272, 2840, 2854, 3550, 5680, 5708, 7100, 7135, 11360, 11416, 14200, 14270, 22832, 28400, 28540, 35675, 45664, 56800, 57080, 71350, 101317, 114160, 142700, 202634, 228320, 285400, 405268, 506585, 570800, 810536, 1013170, 1141600, 1621072, 2026340, 2532925, 3242144, 4052680, 5065850, 8105360, 10131700, 16210720, 20263400, 40526800, 81053600]

約数ペア:

[(1, 81053600), (2, 40526800), (4, 20263400), (5, 16210720), (8, 10131700), (10, 8105360), (16, 5065850), (20, 4052680), (25, 3242144), (32, 2532925), (40, 2026340), (50, 1621072), (71, 1141600), (80, 1013170), (100, 810536), (142, 570800), (160, 506585), (200, 405268), (284, 285400), (355, 228320), (400, 202634), (568, 142700), (710, 114160), (800, 101317), (1136, 71350), (1420, 57080), (1427, 56800), (1775, 45664), (2272, 35675), (2840, 28540), (2854, 28400), (3550, 22832), (5680, 14270), (5708, 14200), (7100, 11416), (7135, 11360)]