268261640

素因数分解:

$2^3\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{5147}}^1$

素因数の和:6461

約数の個数: 32

約数和(自身を含む): 604169280

約数和(自身を除く): 335907640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1303, 2606, 5147, 5212, 6515, 10294, 10424, 13030, 20588, 25735, 26060, 41176, 51470, 52120, 102940, 205880, 6706541, 13413082, 26826164, 33532705, 53652328, 67065410, 134130820, 268261640]

約数ペア:

[(1, 268261640), (2, 134130820), (4, 67065410), (5, 53652328), (8, 33532705), (10, 26826164), (20, 13413082), (40, 6706541), (1303, 205880), (2606, 102940), (5147, 52120), (5212, 51470), (6515, 41176), (10294, 26060), (10424, 25735), (13030, 20588)]