260012080

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{18787}}^1$

素因数の和:18973

約数の個数: 40

約数和(自身を含む): 608054832

約数和(自身を除く): 348042752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1384, 1730, 2768, 3460, 6920, 13840, 18787, 37574, 75148, 93935, 150296, 187870, 300592, 375740, 751480, 1502960, 3250151, 6500302, 13000604, 16250755, 26001208, 32501510, 52002416, 65003020, 130006040, 260012080]

約数ペア:

[(1, 260012080), (2, 130006040), (4, 65003020), (5, 52002416), (8, 32501510), (10, 26001208), (16, 16250755), (20, 13000604), (40, 6500302), (80, 3250151), (173, 1502960), (346, 751480), (692, 375740), (865, 300592), (1384, 187870), (1730, 150296), (2768, 93935), (3460, 75148), (6920, 37574), (13840, 18787)]