80998640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{44021}}^1$

素因数の和:44057

約数の個数: 40

約数和(自身を含む): 196514208

約数和(自身を除く): 115515568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 44021, 88042, 176084, 220105, 352168, 440210, 704336, 880420, 1012483, 1760840, 2024966, 3521680, 4049932, 5062415, 8099864, 10124830, 16199728, 20249660, 40499320, 80998640]

約数ペア:

[(1, 80998640), (2, 40499320), (4, 20249660), (5, 16199728), (8, 10124830), (10, 8099864), (16, 5062415), (20, 4049932), (23, 3521680), (40, 2024966), (46, 1760840), (80, 1012483), (92, 880420), (115, 704336), (184, 440210), (230, 352168), (368, 220105), (460, 176084), (920, 88042), (1840, 44021)]