91619480

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{6563}}^1$

素因数の和:6923

約数の個数: 32

約数和(自身を含む): 206766000

約数和(自身を除く): 115146520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1745, 2792, 3490, 6563, 6980, 13126, 13960, 26252, 32815, 52504, 65630, 131260, 262520, 2290487, 4580974, 9161948, 11452435, 18323896, 22904870, 45809740, 91619480]

約数ペア:

[(1, 91619480), (2, 45809740), (4, 22904870), (5, 18323896), (8, 11452435), (10, 9161948), (20, 4580974), (40, 2290487), (349, 262520), (698, 131260), (1396, 65630), (1745, 52504), (2792, 32815), (3490, 26252), (6563, 13960), (6980, 13126)]