78889640

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{27017}}^1$

素因数の和:27101

約数の個数: 32

約数和(自身を含む): 179939880

約数和(自身を除く): 101050240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 27017, 54034, 108068, 135085, 216136, 270170, 540340, 1080680, 1972241, 3944482, 7888964, 9861205, 15777928, 19722410, 39444820, 78889640]

約数ペア:

[(1, 78889640), (2, 39444820), (4, 19722410), (5, 15777928), (8, 9861205), (10, 7888964), (20, 3944482), (40, 1972241), (73, 1080680), (146, 540340), (292, 270170), (365, 216136), (584, 135085), (730, 108068), (1460, 54034), (2920, 27017)]