84978820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{90403}}^1$

素因数の和:90459

約数の個数: 24

約数和(自身を含む): 182254464

約数和(自身を除く): 97275644

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 90403, 180806, 361612, 452015, 904030, 1808060, 4248941, 8497882, 16995764, 21244705, 42489410, 84978820]

約数ペア:

[(1, 84978820), (2, 42489410), (4, 21244705), (5, 16995764), (10, 8497882), (20, 4248941), (47, 1808060), (94, 904030), (188, 452015), (235, 361612), (470, 180806), (940, 90403)]