8413040

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1021}}^1$

素因数の和:1137

約数の個数: 40

約数和(自身を含む): 19769568

約数和(自身を除く): 11356528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1021, 1030, 1648, 2042, 2060, 4084, 4120, 5105, 8168, 8240, 10210, 16336, 20420, 40840, 81680, 105163, 210326, 420652, 525815, 841304, 1051630, 1682608, 2103260, 4206520, 8413040]

約数ペア:

[(1, 8413040), (2, 4206520), (4, 2103260), (5, 1682608), (8, 1051630), (10, 841304), (16, 525815), (20, 420652), (40, 210326), (80, 105163), (103, 81680), (206, 40840), (412, 20420), (515, 16336), (824, 10210), (1021, 8240), (1030, 8168), (1648, 5105), (2042, 4120), (2060, 4084)]