39678860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1511}}^1$

素因数の和:1634

約数の個数: 48

約数和(自身を含む): 90683712

約数和(自身を除く): 51004852

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 202, 260, 404, 505, 1010, 1313, 1511, 2020, 2626, 3022, 5252, 6044, 6565, 7555, 13130, 15110, 19643, 26260, 30220, 39286, 78572, 98215, 152611, 196430, 305222, 392860, 610444, 763055, 1526110, 1983943, 3052220, 3967886, 7935772, 9919715, 19839430, 39678860]

約数ペア:

[(1, 39678860), (2, 19839430), (4, 9919715), (5, 7935772), (10, 3967886), (13, 3052220), (20, 1983943), (26, 1526110), (52, 763055), (65, 610444), (101, 392860), (130, 305222), (202, 196430), (260, 152611), (404, 98215), (505, 78572), (1010, 39286), (1313, 30220), (1511, 26260), (2020, 19643), (2626, 15110), (3022, 13130), (5252, 7555), (6044, 6565)]