72658840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{78977}}^1$

素因数の和:79011

約数の個数: 32

約数和(自身を含む): 170592480

約数和(自身を除く): 97933640

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 78977, 157954, 315908, 394885, 631816, 789770, 1579540, 1816471, 3159080, 3632942, 7265884, 9082355, 14531768, 18164710, 36329420, 72658840]

約数ペア:

[(1, 72658840), (2, 36329420), (4, 18164710), (5, 14531768), (8, 9082355), (10, 7265884), (20, 3632942), (23, 3159080), (40, 1816471), (46, 1579540), (92, 789770), (115, 631816), (184, 394885), (230, 315908), (460, 157954), (920, 78977)]