39290420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{433}}^1$

素因数の和:804

約数の個数: 48

約数和(自身を含む): 89317200

約数和(自身を除く): 50026780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 349, 433, 698, 866, 1396, 1732, 1745, 2165, 3490, 4330, 4537, 5629, 6980, 8660, 9074, 11258, 18148, 22516, 22685, 28145, 45370, 56290, 90740, 112580, 151117, 302234, 604468, 755585, 1511170, 1964521, 3022340, 3929042, 7858084, 9822605, 19645210, 39290420]

約数ペア:

[(1, 39290420), (2, 19645210), (4, 9822605), (5, 7858084), (10, 3929042), (13, 3022340), (20, 1964521), (26, 1511170), (52, 755585), (65, 604468), (130, 302234), (260, 151117), (349, 112580), (433, 90740), (698, 56290), (866, 45370), (1396, 28145), (1732, 22685), (1745, 22516), (2165, 18148), (3490, 11258), (4330, 9074), (4537, 8660), (5629, 6980)]