40978730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{3121}}^1$

素因数の和:3242

約数の個数: 32

約数和(自身を含む): 80247888

約数和(自身を除く): 39269158

約数列:

[1, 2, 5, 10, 13, 26, 65, 101, 130, 202, 505, 1010, 1313, 2626, 3121, 6242, 6565, 13130, 15605, 31210, 40573, 81146, 202865, 315221, 405730, 630442, 1576105, 3152210, 4097873, 8195746, 20489365, 40978730]

約数ペア:

[(1, 40978730), (2, 20489365), (5, 8195746), (10, 4097873), (13, 3152210), (26, 1576105), (65, 630442), (101, 405730), (130, 315221), (202, 202865), (505, 81146), (1010, 40573), (1313, 31210), (2626, 15605), (3121, 13130), (6242, 6565)]