31253291240

素因数分解:

$2^3\times 5^1\times {\mathrm{9137}}^1\times {\mathrm{85513}}^1$

素因数の和:94661

約数の個数: 32

約数和(自身を含む): 70328423880

約数和(自身を除く): 39075132640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 9137, 18274, 36548, 45685, 73096, 85513, 91370, 171026, 182740, 342052, 365480, 427565, 684104, 855130, 1710260, 3420520, 781332281, 1562664562, 3125329124, 3906661405, 6250658248, 7813322810, 15626645620, 31253291240]

約数ペア:

[(1, 31253291240), (2, 15626645620), (4, 7813322810), (5, 6250658248), (8, 3906661405), (10, 3125329124), (20, 1562664562), (40, 781332281), (9137, 3420520), (18274, 1710260), (36548, 855130), (45685, 684104), (73096, 427565), (85513, 365480), (91370, 342052), (171026, 182740)]