25105970

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{743}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 47139840

約数和(自身を除く): 22033870

約数列:

[1, 2, 5, 10, 31, 62, 109, 155, 218, 310, 545, 743, 1090, 1486, 3379, 3715, 6758, 7430, 16895, 23033, 33790, 46066, 80987, 115165, 161974, 230330, 404935, 809870, 2510597, 5021194, 12552985, 25105970]

約数ペア:

[(1, 25105970), (2, 12552985), (5, 5021194), (10, 2510597), (31, 809870), (62, 404935), (109, 230330), (155, 161974), (218, 115165), (310, 80987), (545, 46066), (743, 33790), (1090, 23033), (1486, 16895), (3379, 7430), (3715, 6758)]