201611980

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{121453}}^1$

素因数の和:121545

約数の個数: 24

約数和(自身を含む): 428489712

約数和(自身を除く): 226877732

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 121453, 242906, 485812, 607265, 1214530, 2429060, 10080599, 20161198, 40322396, 50402995, 100805990, 201611980]

約数ペア:

[(1, 201611980), (2, 100805990), (4, 50402995), (5, 40322396), (10, 20161198), (20, 10080599), (83, 2429060), (166, 1214530), (332, 607265), (415, 485812), (830, 242906), (1660, 121453)]