18452641520

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{56437}}^1$

素因数の和:56578

約数の個数: 80

約数和(自身を含む): 44257325088

約数和(自身を除く): 25804683568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 67, 80, 122, 134, 244, 268, 305, 335, 488, 536, 610, 670, 976, 1072, 1220, 1340, 2440, 2680, 4087, 4880, 5360, 8174, 16348, 20435, 32696, 40870, 56437, 65392, 81740, 112874, 163480, 225748, 282185, 326960, 451496, 564370, 902992, 1128740, 2257480, 3442657, 3781279, 4514960, 6885314, 7562558, 13770628, 15125116, 17213285, 18906395, 27541256, 30250232, 34426570, 37812790, 55082512, 60500464, 68853140, 75625580, 137706280, 151251160, 230658019, 275412560, 302502320, 461316038, 922632076, 1153290095, 1845264152, 2306580190, 3690528304, 4613160380, 9226320760, 18452641520]

約数ペア:

[(1, 18452641520), (2, 9226320760), (4, 4613160380), (5, 3690528304), (8, 2306580190), (10, 1845264152), (16, 1153290095), (20, 922632076), (40, 461316038), (61, 302502320), (67, 275412560), (80, 230658019), (122, 151251160), (134, 137706280), (244, 75625580), (268, 68853140), (305, 60500464), (335, 55082512), (488, 37812790), (536, 34426570), (610, 30250232), (670, 27541256), (976, 18906395), (1072, 17213285), (1220, 15125116), (1340, 13770628), (2440, 7562558), (2680, 6885314), (4087, 4514960), (4880, 3781279), (5360, 3442657), (8174, 2257480), (16348, 1128740), (20435, 902992), (32696, 564370), (40870, 451496), (56437, 326960), (65392, 282185), (81740, 225748), (112874, 163480)]