69009040

素因数分解:

$2^4\times 5^1\times {\mathrm{653}}^1\times {\mathrm{1321}}^1$

素因数の和:1987

約数の個数: 40

約数和(自身を含む): 160813368

約数和(自身を除く): 91804328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 653, 1306, 1321, 2612, 2642, 3265, 5224, 5284, 6530, 6605, 10448, 10568, 13060, 13210, 21136, 26120, 26420, 52240, 52840, 105680, 862613, 1725226, 3450452, 4313065, 6900904, 8626130, 13801808, 17252260, 34504520, 69009040]

約数ペア:

[(1, 69009040), (2, 34504520), (4, 17252260), (5, 13801808), (8, 8626130), (10, 6900904), (16, 4313065), (20, 3450452), (40, 1725226), (80, 862613), (653, 105680), (1306, 52840), (1321, 52240), (2612, 26420), (2642, 26120), (3265, 21136), (5224, 13210), (5284, 13060), (6530, 10568), (6605, 10448)]