40108040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{143243}}^1$

素因数の和:143261

約数の個数: 32

約数和(自身を含む): 103135680

約数和(自身を除く): 63027640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 143243, 286486, 572972, 716215, 1002701, 1145944, 1432430, 2005402, 2864860, 4010804, 5013505, 5729720, 8021608, 10027010, 20054020, 40108040]

約数ペア:

[(1, 40108040), (2, 20054020), (4, 10027010), (5, 8021608), (7, 5729720), (8, 5013505), (10, 4010804), (14, 2864860), (20, 2005402), (28, 1432430), (35, 1145944), (40, 1002701), (56, 716215), (70, 572972), (140, 286486), (280, 143243)]