87216400

素因数分解:

$2^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:209

約数の個数: 120

約数和(自身を含む): 220860864

約数和(自身を除く): 133644464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 37, 40, 50, 71, 74, 80, 83, 100, 142, 148, 166, 185, 200, 284, 296, 332, 355, 370, 400, 415, 568, 592, 664, 710, 740, 830, 925, 1136, 1328, 1420, 1480, 1660, 1775, 1850, 2075, 2627, 2840, 2960, 3071, 3320, 3550, 3700, 4150, 5254, 5680, 5893, 6142, 6640, 7100, 7400, 8300, 10508, 11786, 12284, 13135, 14200, 14800, 15355, 16600, 21016, 23572, 24568, 26270, 28400, 29465, 30710, 33200, 42032, 47144, 49136, 52540, 58930, 61420, 65675, 76775, 94288, 105080, 117860, 122840, 131350, 147325, 153550, 210160, 218041, 235720, 245680, 262700, 294650, 307100, 436082, 471440, 525400, 589300, 614200, 872164, 1050800, 1090205, 1178600, 1228400, 1744328, 2180410, 2357200, 3488656, 4360820, 5451025, 8721640, 10902050, 17443280, 21804100, 43608200, 87216400]

約数ペア:

[(1, 87216400), (2, 43608200), (4, 21804100), (5, 17443280), (8, 10902050), (10, 8721640), (16, 5451025), (20, 4360820), (25, 3488656), (37, 2357200), (40, 2180410), (50, 1744328), (71, 1228400), (74, 1178600), (80, 1090205), (83, 1050800), (100, 872164), (142, 614200), (148, 589300), (166, 525400), (185, 471440), (200, 436082), (284, 307100), (296, 294650), (332, 262700), (355, 245680), (370, 235720), (400, 218041), (415, 210160), (568, 153550), (592, 147325), (664, 131350), (710, 122840), (740, 117860), (830, 105080), (925, 94288), (1136, 76775), (1328, 65675), (1420, 61420), (1480, 58930), (1660, 52540), (1775, 49136), (1850, 47144), (2075, 42032), (2627, 33200), (2840, 30710), (2960, 29465), (3071, 28400), (3320, 26270), (3550, 24568), (3700, 23572), (4150, 21016), (5254, 16600), (5680, 15355), (5893, 14800), (6142, 14200), (6640, 13135), (7100, 12284), (7400, 11786), (8300, 10508)]