40392680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{311}}^1$

素因数の和:530

約数の個数: 64

約数和(自身を含む): 97044480

約数和(自身を除く): 56651800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 191, 311, 340, 382, 622, 680, 764, 955, 1244, 1528, 1555, 1910, 2488, 3110, 3247, 3820, 5287, 6220, 6494, 7640, 10574, 12440, 12988, 16235, 21148, 25976, 26435, 32470, 42296, 52870, 59401, 64940, 105740, 118802, 129880, 211480, 237604, 297005, 475208, 594010, 1009817, 1188020, 2019634, 2376040, 4039268, 5049085, 8078536, 10098170, 20196340, 40392680]

約数ペア:

[(1, 40392680), (2, 20196340), (4, 10098170), (5, 8078536), (8, 5049085), (10, 4039268), (17, 2376040), (20, 2019634), (34, 1188020), (40, 1009817), (68, 594010), (85, 475208), (136, 297005), (170, 237604), (191, 211480), (311, 129880), (340, 118802), (382, 105740), (622, 64940), (680, 59401), (764, 52870), (955, 42296), (1244, 32470), (1528, 26435), (1555, 25976), (1910, 21148), (2488, 16235), (3110, 12988), (3247, 12440), (3820, 10574), (5287, 7640), (6220, 6494)]