26648840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21491}}^1$

素因数の和:21533

約数の個数: 32

約数和(自身を含む): 61896960

約数和(自身を除く): 35248120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 21491, 42982, 85964, 107455, 171928, 214910, 429820, 666221, 859640, 1332442, 2664884, 3331105, 5329768, 6662210, 13324420, 26648840]

約数ペア:

[(1, 26648840), (2, 13324420), (4, 6662210), (5, 5329768), (8, 3331105), (10, 2664884), (20, 1332442), (31, 859640), (40, 666221), (62, 429820), (124, 214910), (155, 171928), (248, 107455), (310, 85964), (620, 42982), (1240, 21491)]