26839420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 58677696

約数和(自身を除く): 31838276

約数列:

[1, 2, 4, 5, 10, 20, 41, 71, 82, 142, 164, 205, 284, 355, 410, 461, 710, 820, 922, 1420, 1844, 2305, 2911, 4610, 5822, 9220, 11644, 14555, 18901, 29110, 32731, 37802, 58220, 65462, 75604, 94505, 130924, 163655, 189010, 327310, 378020, 654620, 1341971, 2683942, 5367884, 6709855, 13419710, 26839420]

約数ペア:

[(1, 26839420), (2, 13419710), (4, 6709855), (5, 5367884), (10, 2683942), (20, 1341971), (41, 654620), (71, 378020), (82, 327310), (142, 189010), (164, 163655), (205, 130924), (284, 94505), (355, 75604), (410, 65462), (461, 58220), (710, 37802), (820, 32731), (922, 29110), (1420, 18901), (1844, 14555), (2305, 11644), (2911, 9220), (4610, 5822)]