40328120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1973}}^1$

素因数の和:2064

約数の個数: 64

約数和(自身を含む): 105174720

約数和(自身を除く): 64846600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 1973, 2044, 2555, 2920, 3946, 4088, 5110, 7892, 9865, 10220, 13811, 15784, 19730, 20440, 27622, 39460, 55244, 69055, 78920, 110488, 138110, 144029, 276220, 288058, 552440, 576116, 720145, 1008203, 1152232, 1440290, 2016406, 2880580, 4032812, 5041015, 5761160, 8065624, 10082030, 20164060, 40328120]

約数ペア:

[(1, 40328120), (2, 20164060), (4, 10082030), (5, 8065624), (7, 5761160), (8, 5041015), (10, 4032812), (14, 2880580), (20, 2016406), (28, 1440290), (35, 1152232), (40, 1008203), (56, 720145), (70, 576116), (73, 552440), (140, 288058), (146, 276220), (280, 144029), (292, 138110), (365, 110488), (511, 78920), (584, 69055), (730, 55244), (1022, 39460), (1460, 27622), (1973, 20440), (2044, 19730), (2555, 15784), (2920, 13811), (3946, 10220), (4088, 9865), (5110, 7892)]