8809640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{431}}^1$

素因数の和:522

約数の個数: 64

約数和(自身を含む): 23016960

約数和(自身を除く): 14207320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 431, 511, 584, 730, 862, 1022, 1460, 1724, 2044, 2155, 2555, 2920, 3017, 3448, 4088, 4310, 5110, 6034, 8620, 10220, 12068, 15085, 17240, 20440, 24136, 30170, 31463, 60340, 62926, 120680, 125852, 157315, 220241, 251704, 314630, 440482, 629260, 880964, 1101205, 1258520, 1761928, 2202410, 4404820, 8809640]

約数ペア:

[(1, 8809640), (2, 4404820), (4, 2202410), (5, 1761928), (7, 1258520), (8, 1101205), (10, 880964), (14, 629260), (20, 440482), (28, 314630), (35, 251704), (40, 220241), (56, 157315), (70, 125852), (73, 120680), (140, 62926), (146, 60340), (280, 31463), (292, 30170), (365, 24136), (431, 20440), (511, 17240), (584, 15085), (730, 12068), (862, 10220), (1022, 8620), (1460, 6034), (1724, 5110), (2044, 4310), (2155, 4088), (2555, 3448), (2920, 3017)]