2012084020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{18731}}^1$

素因数の和:18912

約数の個数: 48

約数和(自身を含む): 4361708736

約数和(自身を除く): 2349624716

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 131, 164, 205, 262, 410, 524, 655, 820, 1310, 2620, 5371, 10742, 18731, 21484, 26855, 37462, 53710, 74924, 93655, 107420, 187310, 374620, 767971, 1535942, 2453761, 3071884, 3839855, 4907522, 7679710, 9815044, 12268805, 15359420, 24537610, 49075220, 100604201, 201208402, 402416804, 503021005, 1006042010, 2012084020]

約数ペア:

[(1, 2012084020), (2, 1006042010), (4, 503021005), (5, 402416804), (10, 201208402), (20, 100604201), (41, 49075220), (82, 24537610), (131, 15359420), (164, 12268805), (205, 9815044), (262, 7679710), (410, 4907522), (524, 3839855), (655, 3071884), (820, 2453761), (1310, 1535942), (2620, 767971), (5371, 374620), (10742, 187310), (18731, 107420), (21484, 93655), (26855, 74924), (37462, 53710)]