20171324125

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{16631}}^1$

素因数の和:16990

約数の個数: 32

約数和(自身を含む): 26070460416

約数和(自身を除く): 5899136291

約数列:

[1, 5, 25, 31, 125, 155, 313, 775, 1565, 3875, 7825, 9703, 16631, 39125, 48515, 83155, 242575, 415775, 515561, 1212875, 2078875, 2577805, 5205503, 12889025, 26027515, 64445125, 130137575, 161370593, 650687875, 806852965, 4034264825, 20171324125]

約数ペア:

[(1, 20171324125), (5, 4034264825), (25, 806852965), (31, 650687875), (125, 161370593), (155, 130137575), (313, 64445125), (775, 26027515), (1565, 12889025), (3875, 5205503), (7825, 2577805), (9703, 2078875), (16631, 1212875), (39125, 515561), (48515, 415775), (83155, 242575)]