78410420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{32401}}^1$

素因数の和:32432

約数の個数: 36

約数和(自身を含む): 180997572

約数和(自身を除く): 102587152

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 32401, 64802, 129604, 162005, 324010, 356411, 648020, 712822, 1425644, 1782055, 3564110, 3920521, 7128220, 7841042, 15682084, 19602605, 39205210, 78410420]

約数ペア:

[(1, 78410420), (2, 39205210), (4, 19602605), (5, 15682084), (10, 7841042), (11, 7128220), (20, 3920521), (22, 3564110), (44, 1782055), (55, 1425644), (110, 712822), (121, 648020), (220, 356411), (242, 324010), (484, 162005), (605, 129604), (1210, 64802), (2420, 32401)]