16800702920

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1399}}^1\times {\mathrm{4481}}^1$

素因数の和:5958

約数の個数: 64

約数和(自身を含む): 38401776000

約数和(自身を除く): 21601073080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 1399, 2680, 2798, 4481, 5596, 6995, 8962, 11192, 13990, 17924, 22405, 27980, 35848, 44810, 55960, 89620, 93733, 179240, 187466, 300227, 374932, 468665, 600454, 749864, 937330, 1200908, 1501135, 1874660, 2401816, 3002270, 3749320, 6004540, 6268919, 12009080, 12537838, 25075676, 31344595, 50151352, 62689190, 125378380, 250756760, 420017573, 840035146, 1680070292, 2100087865, 3360140584, 4200175730, 8400351460, 16800702920]

約数ペア:

[(1, 16800702920), (2, 8400351460), (4, 4200175730), (5, 3360140584), (8, 2100087865), (10, 1680070292), (20, 840035146), (40, 420017573), (67, 250756760), (134, 125378380), (268, 62689190), (335, 50151352), (536, 31344595), (670, 25075676), (1340, 12537838), (1399, 12009080), (2680, 6268919), (2798, 6004540), (4481, 3749320), (5596, 3002270), (6995, 2401816), (8962, 1874660), (11192, 1501135), (13990, 1200908), (17924, 937330), (22405, 749864), (27980, 600454), (35848, 468665), (44810, 374932), (55960, 300227), (89620, 187466), (93733, 179240)]