31364960

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:348

約数の個数: 96

約数和(自身を含む): 82301184

約数和(自身を除く): 50936224

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 71, 80, 88, 110, 142, 160, 176, 220, 251, 284, 352, 355, 440, 502, 568, 710, 781, 880, 1004, 1136, 1255, 1420, 1562, 1760, 2008, 2272, 2510, 2761, 2840, 3124, 3905, 4016, 5020, 5522, 5680, 6248, 7810, 8032, 10040, 11044, 11360, 12496, 13805, 15620, 17821, 20080, 22088, 24992, 27610, 31240, 35642, 40160, 44176, 55220, 62480, 71284, 88352, 89105, 110440, 124960, 142568, 178210, 196031, 220880, 285136, 356420, 392062, 441760, 570272, 712840, 784124, 980155, 1425680, 1568248, 1960310, 2851360, 3136496, 3920620, 6272992, 7841240, 15682480, 31364960]

約数ペア:

[(1, 31364960), (2, 15682480), (4, 7841240), (5, 6272992), (8, 3920620), (10, 3136496), (11, 2851360), (16, 1960310), (20, 1568248), (22, 1425680), (32, 980155), (40, 784124), (44, 712840), (55, 570272), (71, 441760), (80, 392062), (88, 356420), (110, 285136), (142, 220880), (160, 196031), (176, 178210), (220, 142568), (251, 124960), (284, 110440), (352, 89105), (355, 88352), (440, 71284), (502, 62480), (568, 55220), (710, 44176), (781, 40160), (880, 35642), (1004, 31240), (1136, 27610), (1255, 24992), (1420, 22088), (1562, 20080), (1760, 17821), (2008, 15620), (2272, 13805), (2510, 12496), (2761, 11360), (2840, 11044), (3124, 10040), (3905, 8032), (4016, 7810), (5020, 6248), (5522, 5680)]