127784840

素因数分解:

$2^3\times 5^1\times {\mathrm{859}}^1\times {\mathrm{3719}}^1$

素因数の和:4589

約数の個数: 32

約数和(自身を含む): 287928000

約数和(自身を除く): 160143160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 859, 1718, 3436, 3719, 4295, 6872, 7438, 8590, 14876, 17180, 18595, 29752, 34360, 37190, 74380, 148760, 3194621, 6389242, 12778484, 15973105, 25556968, 31946210, 63892420, 127784840]

約数ペア:

[(1, 127784840), (2, 63892420), (4, 31946210), (5, 25556968), (8, 15973105), (10, 12778484), (20, 6389242), (40, 3194621), (859, 148760), (1718, 74380), (3436, 37190), (3719, 34360), (4295, 29752), (6872, 18595), (7438, 17180), (8590, 14876)]