54437680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61861}}^1$

素因数の和:61885

約数の個数: 40

約数和(自身を含む): 138075984

約数和(自身を除く): 83638304

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 61861, 123722, 247444, 309305, 494888, 618610, 680471, 989776, 1237220, 1360942, 2474440, 2721884, 3402355, 4948880, 5443768, 6804710, 10887536, 13609420, 27218840, 54437680]

約数ペア:

[(1, 54437680), (2, 27218840), (4, 13609420), (5, 10887536), (8, 6804710), (10, 5443768), (11, 4948880), (16, 3402355), (20, 2721884), (22, 2474440), (40, 1360942), (44, 1237220), (55, 989776), (80, 680471), (88, 618610), (110, 494888), (176, 309305), (220, 247444), (440, 123722), (880, 61861)]