156764120

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{38803}}^1$

素因数の和:38915

約数の個数: 32

約数和(自身を含む): 356220720

約数和(自身を除く): 199456600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 38803, 77606, 155212, 194015, 310424, 388030, 776060, 1552120, 3919103, 7838206, 15676412, 19595515, 31352824, 39191030, 78382060, 156764120]

約数ペア:

[(1, 156764120), (2, 78382060), (4, 39191030), (5, 31352824), (8, 19595515), (10, 15676412), (20, 7838206), (40, 3919103), (101, 1552120), (202, 776060), (404, 388030), (505, 310424), (808, 194015), (1010, 155212), (2020, 77606), (4040, 38803)]