13283560

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7723}}^1$

素因数の和:7777

約数の個数: 32

約数和(自身を含む): 30587040

約数和(自身を除く): 17303480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 7723, 15446, 30892, 38615, 61784, 77230, 154460, 308920, 332089, 664178, 1328356, 1660445, 2656712, 3320890, 6641780, 13283560]

約数ペア:

[(1, 13283560), (2, 6641780), (4, 3320890), (5, 2656712), (8, 1660445), (10, 1328356), (20, 664178), (40, 332089), (43, 308920), (86, 154460), (172, 77230), (215, 61784), (344, 38615), (430, 30892), (860, 15446), (1720, 7723)]