8218340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{433}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 18884208

約数和(自身を除く): 10665868

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 433, 730, 866, 949, 1460, 1732, 1898, 2165, 3796, 4330, 4745, 5629, 8660, 9490, 11258, 18980, 22516, 28145, 31609, 56290, 63218, 112580, 126436, 158045, 316090, 410917, 632180, 821834, 1643668, 2054585, 4109170, 8218340]

約数ペア:

[(1, 8218340), (2, 4109170), (4, 2054585), (5, 1643668), (10, 821834), (13, 632180), (20, 410917), (26, 316090), (52, 158045), (65, 126436), (73, 112580), (130, 63218), (146, 56290), (260, 31609), (292, 28145), (365, 22516), (433, 18980), (730, 11258), (866, 9490), (949, 8660), (1460, 5629), (1732, 4745), (1898, 4330), (2165, 3796)]