78182680

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{23549}}^1$

素因数の和:23643

約数の個数: 32

約数和(自身を含む): 178038000

約数和(自身を除く): 99855320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 23549, 47098, 94196, 117745, 188392, 235490, 470980, 941960, 1954567, 3909134, 7818268, 9772835, 15636536, 19545670, 39091340, 78182680]

約数ペア:

[(1, 78182680), (2, 39091340), (4, 19545670), (5, 15636536), (8, 9772835), (10, 7818268), (20, 3909134), (40, 1954567), (83, 941960), (166, 470980), (332, 235490), (415, 188392), (664, 117745), (830, 94196), (1660, 47098), (3320, 23549)]