42028120

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^2\times {\mathrm{103}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 96436080

約数和(自身を除く): 54407960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 103, 202, 206, 404, 412, 505, 515, 808, 824, 1010, 1030, 2020, 2060, 4040, 4120, 10201, 10403, 20402, 20806, 40804, 41612, 51005, 52015, 81608, 83224, 102010, 104030, 204020, 208060, 408040, 416120, 1050703, 2101406, 4202812, 5253515, 8405624, 10507030, 21014060, 42028120]

約数ペア:

[(1, 42028120), (2, 21014060), (4, 10507030), (5, 8405624), (8, 5253515), (10, 4202812), (20, 2101406), (40, 1050703), (101, 416120), (103, 408040), (202, 208060), (206, 204020), (404, 104030), (412, 102010), (505, 83224), (515, 81608), (808, 52015), (824, 51005), (1010, 41612), (1030, 40804), (2020, 20806), (2060, 20402), (4040, 10403), (4120, 10201)]