65843440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{63311}}^1$

素因数の和:63337

約数の個数: 40

約数和(自身を含む): 164864448

約数和(自身を除く): 99021008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 63311, 126622, 253244, 316555, 506488, 633110, 823043, 1012976, 1266220, 1646086, 2532440, 3292172, 4115215, 5064880, 6584344, 8230430, 13168688, 16460860, 32921720, 65843440]

約数ペア:

[(1, 65843440), (2, 32921720), (4, 16460860), (5, 13168688), (8, 8230430), (10, 6584344), (13, 5064880), (16, 4115215), (20, 3292172), (26, 2532440), (40, 1646086), (52, 1266220), (65, 1012976), (80, 823043), (104, 633110), (130, 506488), (208, 316555), (260, 253244), (520, 126622), (1040, 63311)]