2019998240

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{971153}}^1$

素因数の和:971181

約数の個数: 48

約数和(自身を含む): 5139346968

約数和(自身を除く): 3119348728

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 971153, 1942306, 3884612, 4855765, 7769224, 9711530, 12624989, 15538448, 19423060, 25249978, 31076896, 38846120, 50499956, 63124945, 77692240, 100999912, 126249890, 155384480, 201999824, 252499780, 403999648, 504999560, 1009999120, 2019998240]

約数ペア:

[(1, 2019998240), (2, 1009999120), (4, 504999560), (5, 403999648), (8, 252499780), (10, 201999824), (13, 155384480), (16, 126249890), (20, 100999912), (26, 77692240), (32, 63124945), (40, 50499956), (52, 38846120), (65, 31076896), (80, 25249978), (104, 19423060), (130, 15538448), (160, 12624989), (208, 9711530), (260, 7769224), (416, 4855765), (520, 3884612), (1040, 1942306), (2080, 971153)]