89283920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1429}}^1$

素因数の和:1524

約数の個数: 80

約数和(自身を含む): 229806720

約数和(自身を除く): 140522800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 142, 176, 220, 284, 355, 440, 568, 710, 781, 880, 1136, 1420, 1429, 1562, 2840, 2858, 3124, 3905, 5680, 5716, 6248, 7145, 7810, 11432, 12496, 14290, 15620, 15719, 22864, 28580, 31240, 31438, 57160, 62480, 62876, 78595, 101459, 114320, 125752, 157190, 202918, 251504, 314380, 405836, 507295, 628760, 811672, 1014590, 1116049, 1257520, 1623344, 2029180, 2232098, 4058360, 4464196, 5580245, 8116720, 8928392, 11160490, 17856784, 22320980, 44641960, 89283920]

約数ペア:

[(1, 89283920), (2, 44641960), (4, 22320980), (5, 17856784), (8, 11160490), (10, 8928392), (11, 8116720), (16, 5580245), (20, 4464196), (22, 4058360), (40, 2232098), (44, 2029180), (55, 1623344), (71, 1257520), (80, 1116049), (88, 1014590), (110, 811672), (142, 628760), (176, 507295), (220, 405836), (284, 314380), (355, 251504), (440, 202918), (568, 157190), (710, 125752), (781, 114320), (880, 101459), (1136, 78595), (1420, 62876), (1429, 62480), (1562, 57160), (2840, 31438), (2858, 31240), (3124, 28580), (3905, 22864), (5680, 15719), (5716, 15620), (6248, 14290), (7145, 12496), (7810, 11432)]