29712520

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{3331}}^1$

素因数の和:3565

約数の個数: 32

約数和(自身を含む): 67173120

約数和(自身を除く): 37460600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 3331, 4460, 6662, 8920, 13324, 16655, 26648, 33310, 66620, 133240, 742813, 1485626, 2971252, 3714065, 5942504, 7428130, 14856260, 29712520]

約数ペア:

[(1, 29712520), (2, 14856260), (4, 7428130), (5, 5942504), (8, 3714065), (10, 2971252), (20, 1485626), (40, 742813), (223, 133240), (446, 66620), (892, 33310), (1115, 26648), (1784, 16655), (2230, 13324), (3331, 8920), (4460, 6662)]