202489676920

素因数分解:

$2^3\times 5^1\times {\mathrm{1993}}^1\times {\mathrm{2540011}}^1$

素因数の和:2542015

約数の個数: 32

約数和(自身を含む): 455830553520

約数和(自身を除く): 253340876600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1993, 3986, 7972, 9965, 15944, 19930, 39860, 79720, 2540011, 5080022, 10160044, 12700055, 20320088, 25400110, 50800220, 101600440, 5062241923, 10124483846, 20248967692, 25311209615, 40497935384, 50622419230, 101244838460, 202489676920]

約数ペア:

[(1, 202489676920), (2, 101244838460), (4, 50622419230), (5, 40497935384), (8, 25311209615), (10, 20248967692), (20, 10124483846), (40, 5062241923), (1993, 101600440), (3986, 50800220), (7972, 25400110), (9965, 20320088), (15944, 12700055), (19930, 10160044), (39860, 5080022), (79720, 2540011)]