55678240

素因数分解:

$2^5\times 5^1\times {\mathrm{347989}}^1$

素因数の和:348004

約数の個数: 24

約数和(自身を含む): 131540220

約数和(自身を除く): 75861980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 347989, 695978, 1391956, 1739945, 2783912, 3479890, 5567824, 6959780, 11135648, 13919560, 27839120, 55678240]

約数ペア:

[(1, 55678240), (2, 27839120), (4, 13919560), (5, 11135648), (8, 6959780), (10, 5567824), (16, 3479890), (20, 2783912), (32, 1739945), (40, 1391956), (80, 695978), (160, 347989)]