71738840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{77977}}^1$

素因数の和:78011

約数の個数: 32

約数和(自身を含む): 168432480

約数和(自身を除く): 96693640

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 77977, 155954, 311908, 389885, 623816, 779770, 1559540, 1793471, 3119080, 3586942, 7173884, 8967355, 14347768, 17934710, 35869420, 71738840]

約数ペア:

[(1, 71738840), (2, 35869420), (4, 17934710), (5, 14347768), (8, 8967355), (10, 7173884), (20, 3586942), (23, 3119080), (40, 1793471), (46, 1559540), (92, 779770), (115, 623816), (184, 389885), (230, 311908), (460, 155954), (920, 77977)]