91143560

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{10799}}^1$

素因数の和:11021

約数の個数: 32

約数和(自身を含む): 206064000

約数和(自身を除く): 114920440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 10799, 21598, 43196, 53995, 86392, 107990, 215980, 431960, 2278589, 4557178, 9114356, 11392945, 18228712, 22785890, 45571780, 91143560]

約数ペア:

[(1, 91143560), (2, 45571780), (4, 22785890), (5, 18228712), (8, 11392945), (10, 9114356), (20, 4557178), (40, 2278589), (211, 431960), (422, 215980), (844, 107990), (1055, 86392), (1688, 53995), (2110, 43196), (4220, 21598), (8440, 10799)]