83630440

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{10613}}^1$

素因数の和:10821

約数の個数: 32

約数和(自身を含む): 189141480

約数和(自身を除く): 105511040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 10613, 21226, 42452, 53065, 84904, 106130, 212260, 424520, 2090761, 4181522, 8363044, 10453805, 16726088, 20907610, 41815220, 83630440]

約数ペア:

[(1, 83630440), (2, 41815220), (4, 20907610), (5, 16726088), (8, 10453805), (10, 8363044), (20, 4181522), (40, 2090761), (197, 424520), (394, 212260), (788, 106130), (985, 84904), (1576, 53065), (1970, 42452), (3940, 21226), (7880, 10613)]