66465880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127819}}^1$

素因数の和:127843

約数の個数: 32

約数和(自身を含む): 161053200

約数和(自身を除く): 94587320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 127819, 255638, 511276, 639095, 1022552, 1278190, 1661647, 2556380, 3323294, 5112760, 6646588, 8308235, 13293176, 16616470, 33232940, 66465880]

約数ペア:

[(1, 66465880), (2, 33232940), (4, 16616470), (5, 13293176), (8, 8308235), (10, 6646588), (13, 5112760), (20, 3323294), (26, 2556380), (40, 1661647), (52, 1278190), (65, 1022552), (104, 639095), (130, 511276), (260, 255638), (520, 127819)]