258752080

素因数分解:

$2^4\times 5^1\times {\mathrm{971}}^1\times {\mathrm{3331}}^1$

素因数の和:4315

約数の個数: 40

約数和(自身を含む): 602398944

約数和(自身を除く): 343646864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 971, 1942, 3331, 3884, 4855, 6662, 7768, 9710, 13324, 15536, 16655, 19420, 26648, 33310, 38840, 53296, 66620, 77680, 133240, 266480, 3234401, 6468802, 12937604, 16172005, 25875208, 32344010, 51750416, 64688020, 129376040, 258752080]

約数ペア:

[(1, 258752080), (2, 129376040), (4, 64688020), (5, 51750416), (8, 32344010), (10, 25875208), (16, 16172005), (20, 12937604), (40, 6468802), (80, 3234401), (971, 266480), (1942, 133240), (3331, 77680), (3884, 66620), (4855, 53296), (6662, 38840), (7768, 33310), (9710, 26648), (13324, 19420), (15536, 16655)]